M80 EVB User Guide M80 Quectel Cellular Engine EVB User Guide M80_EVB_UGD_V1.2 M80_EVB_UGD_V1.
M80 EVB User Guide Document Title M80 EVB User Guide Version 1.2 Date 2012-08-13 Status Released Document Control ID M80_EVB_UGD_V1.2 l e t l c a i e t u n Q fide n o C General Notes Quectel offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Quectel. The information provided is based upon requirements specifically provided for Quectel by the customers.
M80 EVB User Guide Contents Contents ............................................................................................................................................ 2 Table Index........................................................................................................................................ 4 Figure Index ...................................................................................................................................... 5 0. Revision history ...........
M80 EVB User Guide 5.6.1. Ghost mode.............................................................................................................. 35 5.6.2. Charging mode ........................................................................................................ 36 l e t l c a i e t u n Q fide n o C M80_EVB_UGD_V1.
M80 EVB User Guide Table Index TABLE 1: RELATED DOCUMENTS ..................................................................................................... 7 TABLE 2: PIN OF ADAPTER INTERFACE ........................................................................................ 11 TABLE 3: PINS OF AIN2/AOUT2 ........................................................................................................ 16 TABLE 4: PINS OF AIN1/AOUT1 ...........................................................
M80 EVB User Guide Figure Index FIGURE 1: EVB TOP VIEW ................................................................................................................... 9 FIGURE 2: EVB BOTTOM VIEW ......................................................................................................... 9 FIGURE 3: ACCESSORIES INTRODUCTION ................................................................................... 10 FIGURE 4: ADAPTER INTERFACE ......................................................
M80 EVB User Guide 0. Revision history Revision Date Author Description of change 1.0 2012-02-10 Ray XU Initial 1.1 2012-03-23 Ray XU Optimized some pictures. 1.2 2012-08-06 Mountain ZHOU 1. 2. 3. 4. Corrected the errors in Section 3.6.2. Deleted the USB interface. Deleted the Camera interface. Deleted the SIM2 interface. l e t l c a i e t u n Q fide n o C M80_EVB_UGD_V1.
M80 EVB User Guide 1. Introduction This document defines and specifies the usage of M80 EVB. Customers can get useful information about M80 EVB from this document. 1.0.
M80 EVB User Guide Do not operate the cellular terminal or mobile in the presence of flammable gas or fume. Switch off the cellular terminal when you are near petrol station, fuel depot, chemical plant or where blasting operations are in progress. Operation of any electrical equipment in potentially explosive atmosphere can constitute a safety hazard. Your cellular terminal or mobile receives and transmits radio frequency energy while switched on.
M80 EVB User Guide 2. EVB kit 2.1. EVB top and bottom view G A l e t l c a i e t u n Q fide n o C F Figure 1: EVB top view E D H B C Figure 2: EVB bottom view M80_EVB_UGD_V1.
M80 EVB User Guide A: SIM1 card cassette B: Main UART port C: Debug UART port D: Auxiliary UART port E: GSM RF connector F: M80 module G: Charging part H: SD card cassette 2.2. EVB Accessories l e t l c a i e t u n Q fide n o C E B F A G C D Figure 3: Accessories introduction A: USB to UART converter cable B: 5V DC adapter C: Earphone D: Bolts and nuts for fixing module and EVB E: RF Antenna F: IPEX-SMA cable G: Compact disc M80_EVB_UGD_V1.
M80 EVB User Guide 3. Application 3.1. Power l e t l c a i e t u n Q fide n o C GND 1 Figure 4: Adapter interface Table 2: Pin of adapter interface Pin 1 Signal I/O Adapter input I Description Note 5V/2A DC source input 3.1.1. LDO M80 EVB uses LDO to supply power for the module. The schematic of the LDO is shown as below. In order to measure the VBAT voltage, adjust VBAT which is fed from the customer device, or test module, M80 EVB reserves a test point. M80_EVB_UGD_V1.
M80 EVB User Guide l e t l c a i e t u n Q fide n o C Figure 5: LDO circuit 3.1.2. Test point Test point of VBAT Figure 6: Test point of VBAT M80_EVB_UGD_V1.
M80 EVB User Guide 3.2. Charging Charging circuit has been illustrated in M80 EVB. The components involving charging function have been assembled. The charging circuit is shown as below. For more information about charging, please refer to document [7]. l e t l c a i e t u n Q fide n o C Figure 7: Charging circuit M80_EVB_UGD_V1.
M80 EVB User Guide Battery contact pins l e t l c a i e t u n Q fide n o C Figure 8: Charging part 3.3. Audio Five patterns of audio have been designed in M80 EVB for the customer choice. There are AIN1/AOUT1, AIN2/AOUT2, earphone, loudspeaker and PCM interface. In this chapter, we will introduce these audios in details. 3.3.1. Handset AIN1/AOUT1, AIN2/AOUT2 could be designed in the handset. The block diagram of AIN1/AOUT1 and AIN2/AOUT2 is shown as below and some details are concealed.
M80 EVB User Guide Module AIN1/AOUT1 AIN2/AOUT2 RJ11 RJ11 l e t l c a i e t u n Q fide n o C Figure 9: Block diagram of AIN1/AOUT1&AIN2/AOUT2 The RJ11 interfaces are shown as below. The pins of RJ11 are shown in the following table. 1_4 1_3 1_2 1_1 2_4 2_3 2_2 2_1 Figure 10: Pins of AIN1/AOUT1&AIN2/AOUT2 M80_EVB_UGD_V1.
M80 EVB User Guide Table 3: Pins of AIN2/AOUT2 Pin Signal I/O Description Note 2_1 MIC2N I Negative microphone input 2_2 AGND 2_3 SPK2P O Positive receiver output 2_4 MIC2P I Positive microphone input AGND of audio circuits Table 4: Pins of AIN1/AOUT1 l e t l c a i e t u n Q fide n o C Pin Signal I/O 1_1 MIC1N I Negative microphone input 1_2 SPK1N O Negative receiver output 1_3 SPK1P O Positive receiver output 1_4 MIC1P I Positive microphone input Description Note
M80 EVB User Guide l e t l c a i e t u n Q fide n o C Figure 12: Earphone circuit Figure 13: Earphone interface 3.3.3. Loud speaker M80 module has embedded a class AB amplifier. It can drive up to 800mW speaker. In this case, the customer can get good audio performance and retrench an amplifier simultaneously. The test points are shown as below. M80_EVB_UGD_V1.
M80 EVB User Guide 1 l e t l c a i e t u n Q fide n o C 2 Figure 14: Test points of loud speaker Table 5: Test points of loud speaker Pin 1 2 Signal I/O Description LOUDSPKN O Negative loud speaker output LOUDSPKP O Positive loud speaker output Note 3.3.4. PCM interface M80 supports PCM interface. An audio codec, W681360, is applied on the EVB. The audio codec transforms audio from analog signal to digital signal or the opposite action. For more information, please refer to document [6].
M80 EVB User Guide Module Audio codec PCM interface PCM interface Analog audio RJ11 l e t l c a i e t u n Q fide n o C Figure 15: Block diagram of PCM 4 3 2 1 Figure 16: Pins of PCM interface Table 6: Pins of PCM channel Pin Signal I/O Description MICN I Negative microphone input SPKN O Negative receiver output 3 SPKP O Positive receiver output 4 MICP I Positive microphone input 1 2 Note The test points of PCM interface have been reserved as below.
M80 EVB User Guide l e t l c a i e t u n Q fide n o C Figure 17: Test points of PCM interface Note: W681360 is not assembled in the EVB board. If this function is needed, please assemble this component located at U301. 3.4. SIM Card The SIM interface is powered from an internal regulator in the module. Both 1.8V and 3.0V SIM Cards are supported. The following two figures show the schematic of SIM1 card and the pins assignment of SIM1 card respectively.
M80 EVB User Guide 3 7 2 1 l e t l c a i e t u n Q fide n o C 8 6 4 5 Figure 19: Pins of SIM1 card cassette Table 7: Pins of SIM1 card interface Pin 1 2 3 4 5 6 7 8 Signal I/O Description GND GND VPP Not connected SIM1_DATA I/O SIM1 card data I/O SIM1_CLK O SIM1 card clock SIM1_RST O SIM1 card reset SIM1_VDD O SIM1 power Note Pulled down to GND with external circuit. When the SIM card is inserted, pin 7 is connected to pin 8.
M80 EVB User Guide 8 7 6 5 1 4 l e t l c a i e t u n Q fide n o C 2 3 Figure 20: Pins of SIM IC Table 8: Pins of SIM IC interface Pin 1 2 3 4 5 6 7 8 Signal I/O GND SIM1_DATA Description Ground I/O SIM1 card data I/O NC Not connected NC Not connected NC Not connected SIM1_CLK O SIM1 card clock SIM1_RST O SIM1 card reset SIM1_VDD O SIM1 card power M80_EVB_UGD_V1.
M80 EVB User Guide 3.5. Antenna In order to be compatible with different antenna connectors, M80 EVB reserves two antenna ports for the customer’s choice. The circuit and antenna connector are shown as below. l e t l c a i e t u n Q fide n o C Figure 21: Antenna circuit J101 PAD101 Figure 22: Antenna interface M80_EVB_UGD_V1.
M80 EVB User Guide 3.6. Communication M80 provides multi type communication ports, such as main UART, Auxiliary UART and Debug UART port. 3.6.1. Main UART When there is a communication between PC and the module through main UART port, a RS_232 level shifter must be inserted between them. The following picture is the reference design of RS-232 level shifter. The main UART can be used for AT command, GPRS data, CSD FAX, etc. Multiplexing function is supported on the main UART Port as well.
M80 EVB User Guide 7 1 8 9 l e t l c a i e t u n Q fide n o C 2 3 4 5 Figure 24: Pins of main UART Table 9: Pins of Serial port Pin 1 2 3 4 5 7 8 9 Signal I/O Description DCD O Data carrier detection TXD O Transmit data RXD I Receive data DTR I Data terminal ready GND Note Ground RTS I Request to send CTS O Clear to send RI O Ring indicator Note: The above pins are RS232 voltage level. The CMOS level of UART signal can be test through test points below.
M80 EVB User Guide l e t l c a i e t u n Q fide n o C Figure 25: Test points of main port The main port can be used for upgrading firmware. The PWRKEY pin must be pulled down before the firmware upgrade. For more details about upgrading firmware with UART, please refer to chapter 5.5.1. 3.6.2. Auxiliary UART and Debug UART When Auxiliary UART port and Debug Port are used to communicate data between PC and the module, a RS_232 level shifter must be inserted between them.
M80 EVB User Guide Table 10: Pins of Auxiliary UART Pin Signal I/O Description 1_2 TXD_AUX O Transmit data 1_3 RXD_AUX I Receive data 1_5 GND Note Ground Note: The above pins are RS232 voltage level. l e t l c a i e t u n Q fide n o C Table 11: Pins of debug UART Pin Signal I/O Description 2_2 DBG_TXD O Transmit data 2_3 DBG_RXD I Receive data 2_5 GND Note Ground Note: The above pins are RS232 voltage level.
M80 EVB User Guide 3.7. SD card The module provides SD card interface, whose maximum capacity is up to 32GB. M80 EVB reserves an SD card socket in the board. The pin definition and reference design are shown as below. l e t l c a i e t u n Q fide n o C Figure 28: Micro SD card circuit 1 2 3 4 5 6 7 8 Figure 29: Pins of micro SD socket M80_EVB_UGD_V1.
M80 EVB User Guide Table 12: Pins of micro SD card socket Pin Signal I/O Description Note 1 DATA2 I/O Data output/ input signal line of SD card 2 DATA3 I/O Data output / input signal line of SD card 3 CMD O Command signal of SD card output 4 VDD 5 CLK 6 GND 7 DATA0 I/O Data output/input signal line of SD card 8 DATA1 I/O Data output/input signal line of SD card Power of SD card O Clock signal of SD card output Ground l e t l c a i e t u n Q fide n o C SD_CLK SD_DATA0 SD_CM
M80 EVB User Guide 3.8. Switches and buttons S1 S2 S3 K1 K2 l e t l c a i e t u n Q fide n o C Figure 31: Switches and buttons Table 13: Switches and buttons Part S1 S2 S3 K1 K2 Name I/O Description Note VBAT I Control power supply via adaptor VCHG I Control charging if module has charging function PWRKEY I Control the direct connection of PWRKEY and GND PWRKEY I Turn on/off the module EMERG_OFF I Emergency button for shutting down the module 3.9.
M80 EVB User Guide Table 14: LED indicator Part Name I/O Description L1 VBAT ON/OFF indicator O Bright: VBAT ON Extinct: VBAT OFF L2 RESERVED L3 GSM_NET status indicator O Blinking at a certain frequency according to various GSM network status L4 Module status indicator O Indicate module’s operating status Note l e t l c a i e t u n Q fide n o C 3.10. LCD M80 provides serial LCD interface including both four lines mode and three lines mode. The maximum resolution is up to 240 x 320.
M80 EVB User Guide l e t l c a i e t u n Q fide n o C Figure 34: Test points of keyboard 3.12. ADC M80 provide two ADC channel. The test points and circuit are shown as below. Figure 35: Circuit of ADC ADC1 ADC0 Figure 36: Test points of ADC M80_EVB_UGD_V1.
M80 EVB User Guide 4. EVB accessories assembly Generally, the EVB and its accessories are equipped as below. l e t l c a i e t u n Q fide n o C Figure 37: EVB and accessories equipment M80_EVB_UGD_V1.
M80 EVB User Guide 5. Illustration 5.1. Turn on the module 1. 2. 3. 4. Insert the plug of the 5V power adapter. Switch S1 to ON state, Switch S2 to OFF state, Switch S3 to OFF state, and Switch S4 to OFF state. The LED L1 on the EVB will be bright. Press the K1 button (PWRKEY) for about one second. The LED L4 will be light and indicates the module is in the working mode. When L4 is bright, the module begins running. Otherwise, please check the circuit. The LED L2 will be blinking at a certain frequency.
M80 EVB User Guide 6. Insert earphone or handset into audio interface. For Power On operation, please refer to chapter5.1. 7. After waiting for 2~3 seconds, customer should first input “AT” or “at” string once or more until receiving “OK” from the module in the HyperTerminal. The module is set to autobauding mode in default configuration. This operation is to synchronize the baud rate between the computer and the module. 8. Input AT command and the module will execute its corresponding function.
M80 EVB User Guide 5.6.2. Charging mode 1. 2. 3. 4. 5. 6. Connect the battery to the battery contact pin. Insert the plug of the 5V power adapter. Switch S1 to ON state, Switch S2 to OFF state, Switch S3 to OFF state, and Switch S4 to OFF state. The LED L1 on the EVB will be bright. Press the K1 button (PWRKEY) for about 1 second. The LED L4 will be light and indicates the module is in the working mode. When L4 is bright, the module begins running. Switch S2 to ON state to start the module.
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