M80 EVB User Guide M80 Quectel Cellular Engine EVB User Guide M80_EVB_User_Guide_V1.2 M80_EVB_User_Guide_V1.
M80 EVB User Guide Document Title M80 EVB User Guide Version 1.2 Date 2012-05-29 Status Released Document Control ID M80_EVB_User_Guide_V1.2 l e t l c a e i t u n Q ide f 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 5.3. Emergency off ................................................................................................................... 43 5.4. Communicate with the module.......................................................................................... 43 5.4.1. UART ...................................................................................................................... 43 5.4.2. Auxiliary UART ........................................................................
M80 EVB User Guide Table Index TABLE 1: RELATED DOCUMENTS ..................................................................................................... 8 TABLE 2: PIN OF ADAPTER INTERFACE ........................................................................................ 12 TABLE 3: PINS OF AIN2/AOUT2 ........................................................................................................ 16 TABLE 4: PINS OF AIN1/AOUT1 ...........................................................
M80 EVB User Guide Figure Index FIGURE 1: EVB TOP VIEW ................................................................................................................. 10 FIGURE 2: EVB BOTTOM VIEW ....................................................................................................... 10 FIGURE 3: ACCESSORIES INTRODUCTION ................................................................................... 11 FIGURE 4: ADAPTER INTERFACE ........................................................
M80 EVB User Guide FIGURE 42: TEST POINTS OF LCD ................................................................................................... 40 FIGURE 43: TEST POINTS OF KEYBOARD ..................................................................................... 40 FIGURE 44: CIRCUIT OF ADC ........................................................................................................... 41 FIGURE 45: TEST POINTS OF ADC ....................................................................
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 2012-05-29 Ray XU Corrected the errors in Section 3.6.2. l e t l c a e i t u n Q ide f n o C M80_EVB_User_Guide_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 L l e t l c a e i t u n Q ide f n o C A F H Figure 1: EVB top view E K D M B C Figure 2: EVB bottom view M80_EVB_User_Guide_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: Camera interface H: M80 module K: SIM2 card cassette L: Charging part M: SD card cassette l e t l c a e i t u n Q ide f n o C 2.2. EVB Accessories H G D A B E F C Figure 3: Accessories introduction A: USB to UART converter cable B: USB cable C: Earphone D: 5V DC adapter E: Bolts and nuts for fixing module and EVB F: Antenna G: RF cable H: Driver C M80_EVB_User_Guide_V1.
M80 EVB User Guide 3. Application 3.1. Power l e t l c a e i t u n Q ide f n o C GND 1 Figure 4: Adapter interface Table 2: Pin of adapter interface Pin 1 Signal I/O Adapter input I Description 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_User_Guide_V1.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 5: LDO circuit 3.1.2. Test point Test points of VBAT Figure 6: Test point of VBAT M80_EVB_User_Guide_V1.
M80 EVB User Guide 3.2. Charging Charging circuit has been illustrated in M80 EVB board. 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 e i t u n Q ide f n o C Figure 7: Charging circuit M80_EVB_User_Guide_V1.
M80 EVB User Guide Battery contact pins l e t l c a e i t u n Q ide f 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 are 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 RJ11 AIN1/AOUT1 RJ11 AIN2/AOUT2 l e t l c a e i t u n Q ide f n o C Figure 9: Block diagram of AIN1/AOUT1&AIN2/AOUT2 The RJ11 interface is 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 Table 3: Pins of AIN2/AOUT2 Pin Signal I/O Description 2_1 MIC2N I Negative microphone input 2_2 AGND M80_EVB_User_Guide_V1.
M80 EVB User Guide 2_3 SPK2P O Positive receiver output 2_4 MIC2P I Positive microphone input Table 4: Pins of AIN1/AOUT1 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 Description Note l e t l c a e i t u n Q ide f n o C MIC1P I Positive microphone input The handset which suits for the M80 EVB is different from the common handset and Quectel does not provide this handset.
M80 EVB User Guide l e t l c a e i t u n Q ide f 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 eliminate an amplifier simultaneously. The test points are shown as below. M80_EVB_User_Guide_V1.
M80 EVB User Guide 1 l e t l c a e i t u n Q ide f 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 used in the EVB board. The audio codec transforms between analog signal and digital signal. For more information, please refer to document [6].
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C 4 3 2 1 Figure 16: Pins of PCM interface Table 6: Pins of PCM channel Pin 1 2 3 4 Signal I/O Description MICN I Negative microphone input SPKN O Negative receiver output SPKP O Positive receiver output MICP I Positive microphone input Note The test points of PCM interface have been reserved as below. Customer can measure PCM signal using these test points. Figure 17: Test points of PCM interface M80_EVB_User_Guide_V1.
M80 EVB User Guide Note: W681360 is not assembled in the EVB board. If you want to use this function, please assemble this component located at U301. 3.4. SIM Card M80 provides dual SIM card interface. 3.4.1. SIM1 card interface l e t l c a e i t u n Q ide f n o C Figure 18 and 19 shows the schematic of SIM1 card and the pins assignment of SIM1 card respectively. SIM1 cassette has adopted an EINT to detect the SIM card. Figure 18: Circuit of SIM1 card M80_EVB_User_Guide_V1.
M80 EVB User Guide 3 7 2 1 l e t l c a e i t u n Q ide f n o C 8 6 4 5 Figure 19: Pins of SIM1 card cassette Table 7: Pins of SIM card interface Pin 1 2 3 4 5 6 Signal I/O 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. 7 8 Description SIM1_PRESENCE I SIM1 Card detect 3.4.2.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 20: Circuit of SIM2 card 5 6 4 8 7 5 6 1 2 3 4 1 2 3 Figure 21: Pins of SIM2 card cassette and SIM IC M80_EVB_User_Guide_V1.
M80 EVB User Guide Table 8: Pins of SIM2 card interface Pin Signal I/O Description 1 GND Ground 2 VPP Not connected 3 SIM2_DATA I/O SIM2 card data I/O 4 SIM2_CLK O SIM2 card clock 5 SIM2_RST O SIM2 card reset 6 SIM2_VDD O SIM2 card power Note l e t l c a e i t u n Q ide f n o C Table 9: Pins of SIM IC interface Pin 1 2 3 4 5 6 7 8 Signal I/O GND SIM2_DATA Description Note Ground I/O SIM2 card data I/O NC Not connected NC Not connected NC Not connected SIM2_CLK O
M80 EVB User Guide J101 PAD101 l e t l c a e i t u n Q ide f n o C Figure 23: Antenna interface 3.6. Communication M80 provides multi type communication ports, such as main UART, Auxiliary UART, Debug UART and USB port. 3.6.1. Main UART When using main UART port communicates data between PC and the module, a RS_232 level shifter must be inserted between them, since this UART port do not support the RS_232 level, while supports the CMOS level only.
M80 EVB User Guide SP3238 28 25 1 3 DCD TXD CTS RI GND MODULE V+ C1- GND C2+ VCC C2- V- 24 23 22 19 T1IN T2IN T3IN T4IN 17 T5IN 16 21 20 18 RXD DTR RTS C1+ 27 2 3V 4 GND 10 6 7 5 12 T4OUT T2OUT T3OUT T1OUT T5OUT /R1OUT R1OUT R2OUT R3OUT GND 26 8 9 11 R1IN R2IN R3IN l e t l c a e i t u n Q ide f n o C 3V 13 ONLINE 15 /STATUS 14 /SHUTDOWN 6 7 8 9 1 2 3 4 5 TO PC serial port GND Figure 24: Level match circuit 7 1 2 8 3 9 4 5 Figure 25: Pins of main UART Table
M80 EVB User Guide 7 RTS I Request to send 8 CTS O Clear to send 9 RI O Ring indicator Note: The above pins are RS232 voltage level. The TTL level of UART signal can be test through test points below. Customer can use these test points to verify the design between customer device and the module. l e t l c a e i t u n Q ide f n o C Figure 26: Test points of main port The main port can be used for upgrading software. The PWRKEY pin must be pulled down before the software upgrade.
M80 EVB User Guide 1_2 1_3 1_5 2_2 2_3 2_5 l e t l c a e i t u n Q ide f n o C Figure 27: Auxiliary UART port and Debug Port Table 11: Pins of Auxiliary UART Pin 1_2 1_3 1_5 Signal I/O Description TXD_AUX O Transmit data RXD_AUX I Receive data GND Note Ground Note: The above pins are RS232 voltage level.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 28: Test points of Auxiliary and Debug port 3.6.3. USB USB interface supports downloading software and should cooperate with DOWNLOAD pin. The following picture is the example of connection. For more details about downloading software with USB cable, please refer to chapter 5.5.2. M80_EVB_User_Guide_V1.
M80 EVB User Guide Module (DCE) IO Connector USB_DM USB_DM USB_DP USB_DP GND GND DOWNLOAD l e t l c a e i t u n Q ide f n o C PWRKEY Figure 29: Connection of upgrading software 4 3 1 2 Figure 30: USB interface M80_EVB_User_Guide_V1.
M80 EVB User Guide Table 13: Pins of Serial port Pin Signal I/O Description 1 VUSB I USB power 2 USB_DM I/O USB data negative 3 USB_DP I/O USB data positive 4 GND Note Ground 3.7. SD card l e t l c a e i t u n Q ide f n o C 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. Figure 31: Micro SD card circuit M80_EVB_User_Guide_V1.
M80 EVB User Guide 1 2 3 4 5 6 l e t l c a e i t u n Q ide f n o C 7 8 Figure 32: Pins of micro SD socket Table 14: Pins of micro SD card socket Pin 1 2 3 4 5 6 7 8 Signal I/O Description DATA2 I/O Data output/ input signal line of SD card DATA3 I/O Data output / input signal line of SD card CMD O Command signal of SD card output VDD CLK Power of SD card O GND Clock signal of SD card output Ground DATA0 I/O Data output/input signal line of SD card DATA1 I/O Data output/input signa
M80 EVB User Guide SD_CLK l e t l c a e i t u n Q ide f n o C SD_CMD SD_DATA0 Figure 33: Test points of SD card M80_EVB_User_Guide_V1.
M80 EVB User Guide 3.8. Camera M80 EVB provides two types of camera interface: analog camera and digital camera. 3.8.1. Analog camera M80 EVB provides analog camera function. The analog camera of the M80 EVB should employ an AK8856 IC which converts the analog video to digital video, also should add a boost converter when there is no 12V voltage in the board. The following picture is the block diagram. For more information about the detail design circuit, please refer to EVB circuit involving this part.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 36: Analog camera M80_EVB_User_Guide_V1.
M80 EVB User Guide 3.8.2. Digital camera M80 EVB provides parallel digital camera interface. The maximum supported pixel is 0.3M. VDD_EXT 10K Module 10K Camera module D[0:1] l e t l c a e i t u n Q ide f n o C CS_D[0:7] D[2:9] CS_SCL SCL CS_SDA SDA CS_HSYNC HSYNC CS_VSYNC CS_PXICLK VSYNC PXICLK CS_ECLK ECLK CS_RESET RESET CS_PWDN PWDN Figure 37: Connection of digital camera 1_11 1_20 1_10 2_11 1_1 2_20 2_10 2_1 Figure 38: Contact pins of digital camera M80_EVB_User_Guide_V1.
M80 EVB User Guide Table 15: Contact pins of digital camera Pin Signal Pin Signal 1_1 VCAMA 2_1 NC 1_2 NC 2_2 NC 1_3 SD_DATA0 2_3 CAM_SDA 1_4 SD_CMD 2_4 CAM_SCL 1_5 SD_CLK 2_5 CAM_PCLK 1_6 NC 2_6 CAM_HSYNC 1_7 GND 2_7 CAM_DATA6 GND 2_8 CAM_DATA4 VBAT 2_9 CAM_DATA2 VBAT 2_10 CAM_DATA0 VBAT 2_11 CAM_DATA1 VBAT 2_12 CAM_DATA3 GND 2_13 CAM_DATA5 GND 2_14 CAM_DATA7 NC 2_15 CAM_VSYNC NC 2_16 CAM_RST NC 2_17 CAM_PWDN NC 2_18 CAM_MCLK NC 2_19 NC V
M80 EVB User Guide 3.9.
M80 EVB User Guide 3.10. LED indicator l e t l c a e i t u n Q ide f n o C L2 L3 L4 L1 Figure 41: LED indicator Table 17: LED indicator Part L1 L2 L3 L4 Name I/O Description VBAT ON/OFF indicator O Bright: VBAT ON Extinct: VBAT OFF GSM_NET status indicator O Blinking at a certain frequency according to various GSM network status Module status indicator O Indicate module’s operating status Note RESERVED 3.11.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 42: Test points of LCD 3.13. Keyboard M80 provide s 5*5 matrix keyboard. The following figure shows the test points. Figure 43: Test points of keyboard 3.14. ADC M80 provides two ADC channel. The test points and circuit are shown as below. M80_EVB_User_Guide_V1.
M80 EVB User Guide l e t l c a e i t u n Q ide f n o C Figure 44: Circuit of ADC ADC0 ADC1 Figure 45: Test points of ADC M80_EVB_User_Guide_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 e i t u n Q ide f n o C Figure 46: EVB and accessories equipment M80_EVB_User_Guide_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 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. 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. 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. 7.
M80 EVB User Guide 4. OFF state. Monitor the VBAT voltage and charging state via “AT+CBC”. 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.
Shanghai Quectel Wireless Solutions Co., Ltd. Room 501, Building 13, No.99 Tianzhou Road, Shanghai, China 200233 Tel: +86 21 5108-6236 Mail: info@quectel.
