User Manual

ManualsBrandsTelit Communications ManualsElectronicsQuad-Band GSM/GPRS module -Model: GE863-PRO3

GE863-PRO

Hardware User Guide

1vv0300773a Rev. 1 DRAFT - 24/04/08

Summary of content (136 pages)

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3 GE863-PRO Hardware User Guide 1vv0300773a Rev.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Contents 1 Overview ...........................................................................................................................7 2 GE863-PRO3 Mechanical Dimensions ............................................................................8 3 GE863-PRO3 module connections ..................................................................................9 4 3.1 BALL-OUT .............................................
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7.2 8 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 RS232 level translation ........................................................................................................ 42 Audio Section Overview ................................................................................................45 8.1 Microphone Paths Characteristic and Requirements............................................................ 46 8.2 General Design Rules.....................................
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.5 11.1.6 11.1.7 GE863-PRO3 Solder Reflow ..........................................................................................................74 Packing System ..............................................................................................................................76 Moisture Sensibility.........................................................................................................................
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 This document is relating to the following products: GE863-PRO3 GE863-PRO3 with Linux 3990250691 3990250698 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 DISCLAIMER The information contained in this document is the proprietary information of Telit Communications S.p.A. and its affiliates (“TELIT”). The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Telit, is strictly prohibited.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 1 Overview The scope of this document is the description of some hardware solutions useful for developing a product with 3 the Telit GE863-PRO module. In this document all the basic functions of a M2M device will be taken into account; for each one of them a proper hardware solution will be suggested and eventually the wrong solutions and common errors to be avoided will be evidenced.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 2 3 GE863-PRO Mechanical Dimensions The Telit GE863-PRO3 module overall dimension are: • Length: 41,4 mm • Width: 31,4 mm • Thickness: 3,6 mm Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3 3 GE863-PRO module connections 3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Ball Signal E10 C104/RXD E11 ARM/ GSM Type O Serial data output to DTE GSM CMOS 2.8V PB8 I/O ARM PIO Controller B pin 8 ARM CMOS 3.1V E12 PB9 I/O ARM PIO Controller B pin 9 ARM CMOS 3.1V F1 PB13 I/O ARM PIO Controller B pin 13 ARM CMOS 3.1V F2 PC30 I/O ARM PIO Controller C pin 30 ARM CMOS 1.8V-A F3 PC21 I/O ARM PIO Controller C pin 21 ARM CMOS 1.8V-A F4 PC28 I/O ARM PIO Controller C pin 28 ARM CMOS 1.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Ball Signal I/O Main Function H9 PC18 H10 ARM/ GSM Type I/O ARM PIO Controller C pin 18 ARM CMOS 1.8V-A PB0 I/O ARM PIO Controller B pin 0 ARM CMOS 3.1V H11 PB2 I/O ARM PIO Controller B pin 2 ARM CMOS 3.1V H12 PB1 I/O ARM PIO Controller B pin 1 ARM CMOS 3.1V J1 PB7 I/O ARM PIO Controller B pin 7 ARM CMOS 3.1V J2 PB28 I/O ARM PIO Controller B pin 28 ARM CMOS 3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Ball Signal L10 GND L11 HDMB L12 I/O Main Function ARM/ GSM Type - Power A USB Host Port B Data - ARM USB HDPB A USB Host Port B Data + ARM USB M1 XIN32 I ARM CMOS VRTC M2 XOUT32 ARM CMOS VRTC M3 RESERVED - RESERVED (3) - - - M4 RESERVED - RESERVED (3) - - - M5 PB14 I/O ARM PIO Controller B pin 14 ARM CMOS 3.1V M6 PB15 I/O ARM PIO Controller B pin 15 ARM CMOS 3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Ball Signal P11 3.1V_OUT P12 VBATT2 I/O Main Function Internal Pull up OA ARM 3.1V Power Output ARM/ GSM Type ARM - - Main ARM Power Supply ARM Power - - Power R1 GND - Ground R2 GND - Ground - - Power R3 GND - Ground - - Power R4 PA21 I/O ARM PIO Controller A pin 21 ARM CMOS 3.1V R5 PA18 I/O ARM PIO Controller A pin 18 ARM CMOS 3.1V R6 PA17 I/O ARM PIO Controller A pin 17 ARM CMOS 3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3.2 BALLS LAYOUT TOP VIEW Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 TIP: For further documentation on ARM processor refer to ATMEL AT91SAM9260 datasheet 4 Hardware Commands 3 4.1 Turning ON the GE863-PRO GSM Engine 3 To turn on the GE863-PRO GSM/GPRS engine the pad ON_OFF*-GSM must be tied low for at least 1 second and then released. The maximum current that can be drained from the ON_OFF*-GSM pad is 0,1 mA.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 10k For example: 1- Let's assume you need to drive the ON_OFF*-GSM pad with a totem pole output of a +3/5 V microcontroller (uP_OUT1): 1s 2- Let's assume you need to drive the ON_OFF*-GSM pad directly with an ON/OFF button: Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3 4.2 Turning OFF the GE863-PRO GSM Engine The turning off of the device can be done in two ways: 3 • by software command (see GE863- GE863-PRO Software User Guide) • by hardware shutdown When the device is shut down by software command or by hardware shutdown, it issues to the network a detach request that informs the network that the device will not be reachable any more. 4.2.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 NOTE: don't use any pull up resistor on the RESET*-GSM line nor any totem pole digital output. Using pull up resistor may bring to latch up problems on the GE863-PRO3 power regulator and improper functioning of the module. The line RESET*-GSM must be connected only in open collector configuration. TIP: The unconditional hardware reboot should be always implemented on the boards and software should use it as an emergency exit procedure.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 ON/OFF*-ARM# R1 Q1 Power ON/OFF R2 GND NOTE: don't use any pull up resistor on the ON/OFF*ARM line, it is internally pulled up to VBATT2. Using pull up resistor may bring to latch up problems on the GE863-PRO3 power regulator and improper power on/off of the module. The line ON/OFF*-ARM must be connected only in open collector configuration or tied to ground (if ARM needs to stay always on).
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 5 Power Supply The power supply circuitry and board layout are a very important part in the full product design and they strongly reflect on the product overall performances, hence read carefully the requirements and the guidelines that will follow for a proper design.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 GSM TX and RX mode Min power level 78,0 Max power level 200,0 GPRS (class 10) TX and RX mode Min power level 124,0 Max power level 371,0 GSM Sending data mode GPRS Sending data mode The GSM system is made in a way that the RF transmission is not continuous, else it is packed into bursts at a base frequency of about 216 Hz, the relative current peaks can be as high as about 2A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The suggested circuit is: GE863-PRO 3 VRTC 10K Ω 3V Lithium primary battery 1µ F S-817A19A Seiko ceramic 1µ F ceramic 1.2µΑ The quoted current intensity are without VBATT power supply for the module. The S-817A19A Seiko LDO has a value of 1.2µ µA Typ for the quiescent current. Without VBATT power supply voltage, the VRTC Reverse Current is 7- 8 µA Typ.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 5.4.1.1 + 5V input Source Power Supply Design Guidelines • The desired output for the power supply is 3.8V, hence there's not a big difference between the input source and the desired output and a linear regulator can be used. A switching power supply will not be suited because of the low drop out requirements. • When using a linear regulator, a proper heat sink shall be provided in order to dissipate the power generated.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 An example of linear regulator with 5V input is: 5.4.1.2 + 12V input Source Power Supply Design Guidelines • The desired output for the power supply is 3.8V, hence due to the big difference between the input source and the desired output, a linear regulator is not suited and shall not be used.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 An example of switching regulator with 12V input is in the below schematic (it is split in 2 parts): Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 5.4.1.3Battery Source Power Supply Design Guidelines • The desired nominal output for the power supply is 3.8V and the maximum voltage allowed is 4.2V, hence a single 3.7V Li-Ion cell battery type is suited for supplying the power to the Telit GE863-PRO3 module. The three cells Ni/Cd or Ni/MH 3,6 V Nom.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The final charge can be of two different types: constant voltage or pulsed. GE863-PRO3 uses constant voltage. The constant voltage charge proceeds with a fixed voltage regulator (very accurately set to the maximum battery voltage) and hence the current will decrease while the battery is becoming charged.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 5.4.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 5.4.3 Power Supply PCB layout Guidelines As seen on the electrical design guidelines the power supply shall have a low ESR capacitor on the output to cut the current peaks and a protection diode on the input to protect the supply from spikes and polarity inversion. The placement of these components is crucial for the correct working of the circuitry.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 6 Antenna The antenna connection and board layout design are the most important part in the full product design and they strongly reflect on the product overall performances, hence read carefully and follow the requirements and the guidelines for a proper design. 6.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 6.3 GSM Antenna - installation Guidelines • Install the antenna in a place covered by the GSM signal. • The Antenna must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter; • Antenna shall not be installed inside metal cases • Antenna shall be installed also according Antenna manufacturer instructions. 6.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 6.5 Logic level specifications Where not specifically stated, all the interface circuits work at 2.8V CMOS logic levels. The following table shows the logic level specifications used in the Telit GE863-PRO3 interface circuits: Absolute Maximum Ratings -Not Functional Parameter Min Max Input level on any -0.3V digital pin when on Input voltage on -0.3V analog pins when on Voltage on Buffered -0.3V pins +3.6V +3.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Operating Range - Interface levels (CMOS 1.8V-A) Level Min Max Input high level 1.3V 2.1V Input low level Output high level Output low level -0.3V 1.35V 0V 0.5V 1.9V 0.45V Operating Range - Interface levels (CMOS VRTC) Level Min Max Input high level 1.3V 2.1V Input low level Output high level Output low level -0.3V 1.3V 0V 0.5V 2.0V 0.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 6.5.1 GSM Reset signal Signal RESET*-GSM Function Phone reset I/O I Bga Ball E5 RESET*-GSM is used to reset the GE863-PRO3 modules GSM engine. Whenever this signal is pulled low, the GSM/GPRS engine is reset. When the device is reset it stops any operation. After the release of the reset the GSM/GPRS engine is unconditionally shut down, without doing any detach operation from the network where it is registered.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 7 Serial Ports The serial port on the Telit GE863-PRO3 is the core of the interface between the module engine and the ARM processor. 2 serial ports are available on the module engine: • MODEM SERIAL PORT • MODEM SERIAL PORT 2 (DEBUG) 6+1(DBG) serial ports are available on the ARM part. No direct connection is present between the two parts, on the hosting PCB the two serial ports need to be interconnected.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 7.2 RS232 level translation In order to interface the Telit GE863-PRO3 with a PC com port or a RS232 (EIA/TIA-232) application a level translator is required.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 An example of level translation circuitry of this kind is: Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The RS232 serial port lines are usually connected to a DB9 connector with the following layout: Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8 Audio Section Overview The Base Band Chip of the GE863-PRO3 GPRS engine provides two different audio blocks; both in transmit (Uplink) and in receive (Downlink) direction: “MT lines” should be used for handset function, “HF lines” is suited for hands -free function (car kit). These two blocks can be active only one at a time, selectable by AT command.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8.1 Microphone Paths Characteristic and Requirements TIP: being the microphone circuitry the more noise sensitive, its design and layout must be done with particular care. Both microphone paths are balanced and the OEM circuitry should be balanced designed to reduce the common mode noise typically generated on the ground plane. However also an unbalanced circuitry can be used for particular OEM application needs .
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 TIP: definition of the nominal sensitivity of the microphone lines . The nominal sensitivity of the microphone lines indicates the voltage level on the GE863-PRO3 pins present during "normal spoken" conditions. For a handset , the "normal spoken” conditions take place when the talker mouth is 7cm far from the microphone ; under these conditions the voice will produce an acoustic pressure of -4,7dBPa @1kHz on the microphone membrane .
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 TIP: environment consideration . For hands-free/car kit microphone, you must take into account the voice attenuation, due to the distance between the microphone itself and the talker, when designing the external microphone amplifier.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8.2 General Design Rules There are several configurations for the audio paths, but the most effective difference is between balanced and unbalanced microphone configuration. It is highly recommended to keep the whole microphone path balanced even if this means having 2 wires connecting the microphone instead of one needed (plus ground) in the unbalanced case.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8.4 Microphone Biasing The electret microphones usually need a biasing voltage to work properly. Refer to your microphone provider for the characteristics required. NOTE: The microphones have a hot wire were the positive biasing must be connected. Usually it is indicated by a + symbol or a red point. If the polarity of the bias is reversed, then the microphone will not work properly. For this reason be sure to respect the mic.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 NOTE: The cable to the microphone should not be shielded, instead a twisted pair cable shall be used. NOTE: The microphone sensitivity changes with the value of R2 and R3. Usually the microphones are characterized with 2kΩ biasing resistance, so try to keep the sum of R2 and R3 around 2kΩ. Refer to your microphone manufacturer for the mic. characteristics. 8.4.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 NOTE: In the unbalanced application the capacitor C3 shall be > 200nF otherwise the frequency response will be cut at low band frequencies (down to 300Hz). This capacitor can be placed close to the MIC- pad (MIC_HF- or MIC_MT- depending on the audio path chosen) or if possible it should be placed close to the shielded cable connector.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8.5 Microphone Buffering As seen previously, a microphone shall be connected to the input pins of the GE863-PRO3 through a buffer amplifier that boosts the signal level to the required value. Again the buffered microphone circuitry can be balanced or unbalanced: where possible it is always preferable a balanced solution. The buffering circuit shall be placed close to the microphone or close to the microphone wire connector. 8.5.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The buffer gain is given by the formula: Gain = R 604 R606 = R 605 R 607 The C636 and C637 capacitors are placed in order to cut off the gain at higher frequencies than the transmitted GSM band, the cutoff frequency (-3dB) should be 3500Hz in order to have -1dB at 3kHz. The cutoff frequency is given by the formula: freq. = 1 1 = [Hz] 2π * R 604 * C 637 2π * R 606 * C 636 TIP: example of calculation .
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 8.5.2 Buffered Unbalanced (Single Ended) Microphone GE863 Mic+ To GE863 2,7nF GE863 Mic- 6,8nF The above schematic can be used for a single ended (buffered unbalanced) microphone; the required biasing circuitry is not included. Note also that the capacitor C3 is not needed.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 freq. = 1 1 = [Hz] 2π * R 719 * C 726 2π * R 711* C 727 The buffer bandwidth at -3dB shall be 4KHz. Note that the biasing of the operational amplifier is given for the inverting amplifier by the series divider R714-R715. The 100nF capacitor C719 is needed to filter the noise that could be coupled to that divider.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 C726= 1/ (2π*4000*R719)= 7.10 *10 -9 F C727= 1/ (2π*4000*R711)= 2,65 *10 -9 F modified in 6,8nF (fc1=4181Hz ) and 2,7nF (fc2=3931Hz) because of commercial values . Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 9 OUTPUT LINES (Speaker) 9.1 Short description The Telit GE863-PRO3 provides two audio paths in receive section. Only one of the two paths can be active at a time, selectable by AXE hardware line or by AT command.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 9.2 Output Lines Characteristics “Ear_MT” Differential Line-out Drivers Path • line coupling: • line type: • output load resistance : • internal output resistance: • signal bandwidth: • max.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 9.4 Handset Earphone Design As seen previously, a 16Ω earpiece can be directly connected to the output pads EAR_MT+ and EAR_MT- of the GE863-PRO3. This solution is often the more cost effective, reducing the components count to a minimum.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The resulting gain and high pass cut can be obtained with the formula: Gain = freq. = R3 R2 1 [Hz] 2π * R3 * C 4 And an example of internal Ear amplifier could be: +12dB GE863-PRO3 Some amplifier require a low impedance load at high frequency in order to avoid auto oscillation, this can be made with a capacitor (100nF) in series with a resistor (15Ω).
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 9.6 Car Kit Speakerphone Design For the car kit speaker phone function the power output requirement is usually at least 4W, therefore an amplifier is needed to boost the GE863-PRO3 output. The design of the amplifier shall comply with the following guidelines: • • • • • • The input to the amplifier MUST be taken from the “Ear_HF” audio path of the GE863-PRO3, because of its echo canceller parameters suited to a car cabin use.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3 9.7 The Evaluation Kit for Telit GE863-PRO Modules 9.7.1 Short Description 3 Telit supplies the Evaluation Kit for Telit GE863-PRO modules to assist the designer in developing his 3 own applications based on GE863-PRO Telit module. 3 The GE863-PRO EVK is formed by a mother board and a dedicated Telit module Interface Board with RF antenna connectors. It provides a fully functional solution for a complete M2M application.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 10 General Purpose I/O The general purpose I/O pads can be configured to act in three different ways: • input • output • alternate function (internally controlled) The following GPIO are available on the GE863-PRO3 : Ball Signal I/O Function Type Input / output current Default State E6 GPIO1 I/O GPIO01 Configurable GPIO CMOS 2.8V 1uA / 1mA INPUT LOW 55 GPIO2 I/O GPIO02 Configurable GPIO CMOS 2.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 All GPIO pads are 2.8V CMOS signals and their interface levels are the same specified in the paragraph 6.5. 10.1 Using a GPIO Pad as INPUT The GPIO pads, when used as inputs, can be connected to a digital output of another device and report its status, provided this device has interface levels compatible with the 2.8V CMOS levels of the GPIO.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 10.5 Using the Alarm Output The GPRS Engine GPIO pads, when configured as Alarm Output, can be controlled by the GE863PRO3 module and will rise when the alarm starts and fall after the issue of a dedicated AT command.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 10.7 Indication of network service availability The STAT_LED pin status shows information on the network service availability and Call status. In the GE863 modules, the STAT_LED usually needs an external transistor to drive an external LED. Therefore, the status indicated in the following table is reversed with respect to the pin status.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 RTC Bypass out The VRTC pin brings out the Real Time Clock supply, which is separate from the rest of the digital part, allowing having only RTC going on when all the other parts of the device are off. To this power output a backup capacitor can be added in order to increase the RTC autonomy during power off of the battery. NO Devices must be powered from this pin. 10.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 3 11 Mounting the GE863-PRO on the Application Board 11.1 General The Telit GE863-PRO3 module has been designed in order to be compliant with a standard lead-free SMT process Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.1 Recommended footprint for the application Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.2 Stencil Stencil’s apertures layout can be the same of the recommended footprint (1:1), we suggest a thickness of stencil foil ≥ 120µm. 11.1.3 PCB pad Design “Non solder mask defined” (NSMD) type is recommended for the solder pads on the PCB. Recommendations for PCB pad dimensions Ball pitch [mm] Solder resist opening diameter A [mm] Metal pad diameter B [mm] 2,4 1,10 1 ± 0.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Holes in pad are allowed only for blind holes and not for through holes. Recommendations for PCB pad surfaces: Finish Electro-less Ni / Immersion Au Layer thickness [µm] 3 –7 / 0.05 – 0.15 Properties good solder ability protection, high shear force values The PCB must be able to resist the higher temperatures, which are occurring at the lead-free process. This issue should be discussed with the PCB-supplier.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.5 GE863-PRO3 Solder Reflow The following is the recommended solder reflow profile Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.6 Packing System 170 ± 0,3 According to SMT processes for pick & place movement requirements, Telit GE863-PRO3 modules are packaged on trays, each tray contains 20 pieces. Tray dimensions are: 320 ± 0,3 All quotes are in mm, general tolerance ± 0.1 Note that trays can withstand a maximum temperature of 65° C. Section A-A 6.1 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 Modules orientation on tray: Ref. Not rounded corner of module’s printed board indicates pin 1 corner. The modules in the tray are oriented as shown in A and the tray is oriented toward left as shown in B. A B Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 11.1.7 Moisture Sensibility The level of moisture sensibility of Telit GE863-PRO3 modules is “3”, according with standard IPC/JEDEC J-STD-020, take care of all the relative requirements for using this kind of components.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 12 Conformity Assessment Issues The GE863-PRO3 module is assessed to be conform to the R&TTE Directive as stand-alone product, so If the module is installed in conformance with Telit installation instructions it will require no further evaluation under Article 3.2 of the R&TTE Directive and do not require further involvement of a R&TTE Directive Notified Body for the final product.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 The system antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all the persons and must not be co-located or operating in conjunction with any other antenna or transmitter. The system antenna(s) used for this module must not exceed 3 dBi for mobile and fixed or mobile operating configurations.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 13 SAFETY RECOMMANDATIONS READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required.
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3 GE863-PRO Hardware User Guide 1vv0300773a Rev. 1 DRAFT - 24/04/08 14 Document Change Log Revision ISSUE #0 ISSUE #1 Date 21/01/08 Changes First release 11 - Mounting the GE863-PRO3 on the Application Board – updated 12 - Conformity Assessment Issues updated Reproduction forbidden without Telit Communications S.p.A.
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GE863-PRO3 Product Description 80285ST10036a Rev.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 This document is relating to the following products: GE863-PRO3 3 990 250 691 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Contents 1 Overview ...........................................................................................................................7 2 General Product Description.........................................................................................11 2.1 Dimensions ........................................................................................................................ 11 2.2 Weight ...................
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.22 Acoustic signalling ............................................................................................................ 20 3.23 Buzzer output..................................................................................................................... 21 3.24 RF Transmission Monitor.................................................................................................. 21 3.25 EMC ...................
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 5 4.13 DAC Converter ................................................................................................................... 34 4.14 USB Device port................................................................................................................. 35 4.15 USB Host port .................................................................................................................... 35 4.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 DISCLAIMER The information contained in this document is proprietary information of Telit Communications S.p.A. and its affiliates (“TELIT”). The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Telit, is strictly prohibited.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 1 Overview 3 The GE863-PRO is the Telit latest product generation deriving from the top reliable BGA GE863 product family now including a quad-band GSM/GPRS class 10 engine as well as a dedicated ARM9 application processor (the ATMEL standard microcontroller AT91SAM9260) and FLASH & RAM memories. GE863-PRO3 Antenna Conn.
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3 GE863-PRO Product Description 80285ST10036a Rev.
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3 GE863-PRO Product Description • • • 80285ST10036a Rev. 1 DRAFT- 24/04/08 CMUX SAP (SIM Access Profile) Multisocket 3 From the interface point of view, the GE863-PRO provides the following: • • 1 Full GSM engine RS232 UART, CMOS level (ASC0) interface for AT commands: - Auto-bauding from 2.4 up to 57.6 Kbps - Fixed baud rate up to 115.
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3 GE863-PRO Product Description • 80285ST10036a Rev. 1 DRAFT- 24/04/08 a high level technical support to assist you in your development; For more updated information concerning product Roadmap and availability, technical characteristics, commercial and other issues, please check on the Telit website www.telit.com > Products > Modules. 3 NOTE: Some of the performances of the Telit GE863-PRO modules depend on the SW version installed on the module itself.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 2 General Product Description The Telit GE863-PRO3 module includes the GSM/GPRS engine plus a dedicated ARM9 application processor and memories.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Top View Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Bottom View 2.2 Weight 3 The Telit GE863-PRO module weight is 9 gr. Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 2.3 Environmental requirements The Telit GE863-PRO3 module is compliant to the applicable ETSI reference documentation GSM 05.05 Release1998. 2.3.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 GSM/GPRS Engine 3.1 Operating Frequency The operating frequencies in GSM, DCS, PCS modes are conform to the GSM specifications. Mode E-GSM-900 3.2 GSM-850 DCS-1800 Freq. TX (MHz) 890.0 - 914.8 880.2 - 889.8 824.2 - 848.8 1710.2 - 1784.8 Freq. RX (MHz) 935.0 - 959.8 925.2 - 934.8 869.2 - 893.8 1805.2 - 1879.8 PCS-1900 1850.2 - 1909.8 1930.2 - 1989.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 The sensitivity of the Telit GE863-PRO3 modules according to the specifications for the class 1 portable terminals DCS-1800 / PCS-1900 is –106 dBm typical in normal operating conditions. 3.4 Antenna 3.4.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 The total power consumption of GE863-PRO is the sum of the consumptions of GSM and ARM9 processor part. 3.7 Embodied Battery charger The battery charger is suited for a 3.7V Li-Ion rechargeable battery (suggested capacity 5001000mAh). The Charger needs only a CURRENT LIMITED power source input and charges the battery directly through VBATT connector pins.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.10 SIM Reader The Telit GE863-PRO3 modules support phase 2 GSM11.14 - SIM 1.8V and 3V. For 5V SIM cards, an external level translator can be added. All models need an external SIM card holder. 3.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.13 Data/fax transmission The Telit GE863-PRO3 modules support: • • • Packed Data transfer GPRS Class 10, Multi-slot Class B CSD up to 14.4 Kbps Fax service, Class 1 Group 3 3.14 Local security management The local security management can be done with the lock of Subscriber Identity module (SIM), and security code request at power–up. 3.15 Call control The call cost control function is supported. 3.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.19 Call status indication The call status indication by AT commands is supported. 3.20 Automatic answer (Voice, Data or FAX) After a specified number of rings, the module will automatically answer. The user can set the number of rings by means of the command ATS0=. 3.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.23 Buzzer output The General Purpose I/O pin GPIO7 can be configured to output the BUZZER output signal, with only an external MOSFET/transistor and a diode a Buzzer can be directly driven. The ringing tone and the other signaling tones can be redirected to this Buzzer output with a specific AT command. 3.24 RF Transmission Monitor 3 As alternate function of the GPIO5, the GE863-PRO provide the RF transmission monitor.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 NOTE: do not use this signal to power off the Telit GE863-PRO3 module. Use the ON/OFF signal to perform this function or the AT#SHDN command. 3.28 RTC Bypass out The VRTC pin brings out the Real Time Clock supply, which is separate from the rest of the digital part, allowing having only RTC going on when all the other parts of the device are off.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.30 Audio levels specifications The audio of the Telit GE863-PRO3 modules is organized into two main paths: • • Internal path (called also MT) External path (called also HF) These two paths are meant respectively for handset and headset/hands-free use.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.31 Software Features 3.31.1 Enhanced Easy GPRS Extension 3.31.1.1 Overview The Easy GPRS feature allows a Telit GE863-PRO3 modules user to contact a device in Internet and establish with it a raw data flow over the GPRS and Internet networks.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 • A new internal firewall has been implemented in order to guarantee a certain level of security on internet applications. 3.31.1.2 Easy GPRS definition The Easy GPRS feature provides a way to replace the need of an Internet TCP/IP stack at the terminal equipment side.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Online mode Data Traffic On Line +++ Where the green part represents the module command mode while the red part is the online mode. Now, the online mode can be suspended with the escape sequence by using the multisocket feature. During suspend mode the data received by the socket will be buffered.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.31.3 Jammed Detect & Report Extension 3.31.3.1 Overview The Jammed Detect & Report feature allows a Telit GE863-PRO3 module to detect the presence of a disturbing device such as a Communication Jammer and give indication to the user and/or send a report of that to the network. This feature can be very important in alarm, security and safety applications that rely on the module for the communications.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 To access the three virtual interfaces, both the GSM engine and the customer application must contain Mux components, which communicate over the multiplexer protocol. In Multiplexer mode, AT commands and data are encapsulated into packets. Each packet has channel identification and may vary in length. 3.31.4.2 • • • • • • • Implementation feature and limitation 7.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3.31.5 SAP: SIM Access Profile 3.31.5.1 Product architecture The SAP feature allow the module to use the SIM of a remote SIM Server. This feature is implemented using special AT Command on a Virtual circuit of the CMUX interface. 3.31.5.2 • • • Implementation feature SAP is based on 7.10 CMUX Basic Option used Only SAP Client features Logic HW flow control is recommended on the Virtual instance selected for the SAP command. 3.31.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Report Status Error Handling Transfer ATR Report Status Error Response Report Status, Disconnection Initiated by the Server and Error Response are independent messages sent by server. The other procedures consist of couples of messages, started by client. NOTE: More details about the SAP are available in the SAP User Guide. 3.31.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4 ARM9 Application Engine 4.1 General Description The Application engine is an ATMEL AT91SAM9260 and comprises an ARM926EJ-S processor with fast ROM and RAM plus power management and 8Mbyte SDRAM 100MHz and a 4Mbyte serial flash. The ARM926EJ-S has a full set of peripherals ranging from several USART to the USB Host controller, allowing almost any connectivity to be achieved.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4.4 USARTs The Application processor has 1 Full (9 wires) RS232 Control, 2 two wire UARTs. 4.5 USART , 3 USART with Hardware Flow SPI bus The Application processor has 2 set of Serial Peripheral Interfaces buses, SPI0 and SPI1. Each of these SPI bus has four Chip Select lines, that can be encoded to provide access to 15 peripherals [with external CS decoding].
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4.7 IIC bus The IIC bus interconnects components on a two-wire bus, made up of one clock line and one data line with speeds of up to 400 Kbits per second, based on a byte-oriented transfer format. The IIC is programmable as a master or a slave with sequential or single-byte access. Multiple master capability is supported.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4.11 Ethernet controller The Application processor provides an Ethernet controller compatible with the 10Mb/s -100Mb/s IEEE 3 802.3 standard that can be used to interface the Telit GE863-PRO to a LAN. It fully supports Media Independent Interface (MII) or Reduced Media Independent Interface (RMII) standards to PHY transceivers with MDIO controlling interface. 4.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4.14 USB Device port The application Processor provides one USB Device port compliant to the Universal Serial Bus (USB) V2.0 full-speed device specifications. 4.15 USB Host port The application Processor provides two USB Host ports compliant to the Universal Serial Bus (USB) V2.0 full-speed and low speed specifications and to the Open Host Controller Interface (OHCI) standard.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 4.18 JTAG Debug Interface The application processor provides a JTAG interface for debugging compatible with IEEE1149.1 JTAG Boundary-scan protocol. 4.19 Debug UART The application processor supports also a debug UART that can support the Debug Communication Channel (DCC) protocol. Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 5 Mounting the GE863-PRO on the Application Board 5.1.1 General The Telit GE863-PRO3 module has been designed in order to be compliant with a standard lead-free SMT process. For detailed information about PCB pad design and conditions to use in SMT process please consult Hardware User Guide. 5.1.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Note that trays can withstand a maximum temperature of 65° C. Section A-A 6.1 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Modules orientation on tray: Ref. Not rounded corner of module’s printed board indicates pin A1 corner. The modules in the tray are oriented as shown in A and the tray is oriented toward left as shown in B. A B Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 6 Evaluation Kit EVK-PRO In order to assist you in the development of your Telit GE863-PRO3 module based application, Telit can supply an Evaluation Kit EVK-PRO3 with appropriate power supply, SIM card holder, RS232 serial port level translator and USB host & device, SD Card holder, SAM Card holder, Ethernet and antenna connection.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 7 Conformity Assessment Issues The Telit GE863-PRO3 modules are assessed to be conform to the R&TTE Directive. If the module is installed in conformance with Telit installation instructions it will require no further evaluation under Article 3.2 of the R&TTE Directive and do not require further involvement of an R&TTE Directive Notified Body for the final product.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Telit Communications S.p.A. may void the user’s authority to operate the equipment.
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3 GE863-PRO Product Description 7.1 3 80285ST10036a Rev. 1 DRAFT- 24/04/08 GE863-PRO : Conformity Assessment Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 7.2 GE863-PRO : FCC Equipment Authorization Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 7.3 3 GE863- PRO : IC Equipment Authorization Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 7.4 3 GE863-PRO : RoHS certificate Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 8 Safety Recommandations READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 3 9 GE863-PRO Technical Support 3 Telit’s technical support to GE863-PRO wireless modem customers consists in: • Technical documentation: available for download into the Website www.telit.com >Products >Modules > selected model. • Engineering support: accessible via E-Mail service with 48 hr replies assured under normal conditions. Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 USSD USART VTG Unstructured Supplementary Service Data Universal Sinchronous Asynchronous Receiver/Transmitter Actual track made good and speed over ground Reproduction forbidden without Telit Communications S.p.A.
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3 GE863-PRO Product Description 80285ST10036a Rev. 1 DRAFT- 24/04/08 11 Document Change Log Revision ISSUE#0 Date 24/08/07 Changes Initial Release Reproduction forbidden without Telit Communications S.p.A.