Development Kit Manual SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide Document Title: SIM840W EVB User Guide Version: 1.00 Date: 2011-06-22 Status: Release Document Control ID: SIM840W-EVB_UGD_V1.00 General Notes Simcom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Simcom. The information provided is based upon requirements specifically provided to Simcom by the customers.
SIM840W EVB User Guide Contents Contents ............................................................................................................................................3 Version History .................................................................................................................................4 1. SIM840W EVB.............................................................................................................................6 2. EVB accessory .......................
SIM840W EVB User Guide Version History Data Version Description of change Author 2011-6-22 1.00 Origin Lee SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide SCOPE This device complies with part 15, part 22 and part 24 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. (For FCC). WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
SIM840W EVB User Guide 1. SIM840W EVB Figure 1: EVB TOP view SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide Figure 2: EVB BOTTOM view A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: Source adapter interface MAIN serial port for downloading, AT command transmitting, data exchanging DEBUG serial port SIM card interface Test point interface Antenna fix hole SIM840W-TE with SIM840W module interface Module fix hole Reset key ( reset the module ) Power key ( module ON/OFF control ) Charge switch ( charge ON/OFF control ) Download switch ( download control ) Power switch ( power ON/OFF contro
SIM840W EVB User Guide 2. EVB accessory Figure 3: EVB accessory A: antenna B: antenna transmit line C: 5V DC source adapter D: serial port line SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 3. Accessory Interface 3.1 Power Interface Figure 4: Power Interface Pin Signal I/O 1 Adapter input I SIM840W-EVB_UGD_V1.00 Description 5V/2.
SIM840W EVB User Guide 3.2 Audio Interface Figure 5: Audio Interface Headset interface: Pin Signal I/O Description 1 MIC1P I Positive microphone input 2 SPK1P O Positive receiver output 3 MIC1N I Negative microphone input 4 SPK1N O Negative receiver output Earphone interface: Pin Signal Input/Output 5 MIC2P&SPK2P I/O Description Auxiliary positive input and output Line in interface: Pin Signal Input/Output 6 Line in R/L I/O SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 3.3 SIM card interface Figure 6: SIM card interface SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 3.4 Antenna Interface Figure 7: Antenna Interface SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 3.
SIM840W EVB User Guide 3.6 Operating Status LED Figure 9: StatusLED Working state of status LED as list: Name Description STATUS VBAT ON/OFF indicator Bright：VBAT ON; Extinct: VBAT OFF Q2 GSM part status indicator Bright: Module runs normally Extinct: System is powered unconventionally Q3 GSM_NET status indicator Blinking at a certain frequency according various GSM net status Q1 SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 4. Test Interface Figure 10: Test interface overview 4.1 J103 Figure 11: J103 Interface J103 Interface Pin List: Pin Signal I/O Description 1 DISP_D/C O Display data or address select 2 DISP_CS O Display select output 3 DISP_CLK O Display clock output 4 DISP_DAT I/O Display data line SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 5 GPO1 O GPO 6 ADC I ADC IN 7 GPIO1 I/O GPIO 8 TEMP_BAT I ADC input 9 SIMPRESENCE I SIM detect input 10 PWM1 O PWM output 11 SDA I/O I2C BUS DATA 12 SCL O I2C BUS CLOCK 13 GND POWER GND 14 PWM2 O PWM output 4.2 J201 Figure 12: J201 Interface J201 Interface Pin List: SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide Signal I/O 1 TXD O Transmit data 2 RXD I Receive data 3 DCD O Data carrier detection 4 RI O Ring Indicator 5 CTS O Clear to Send 6 GND 7 DTR I Data Terminal Ready 8 DEBUG_RX I Receive data 9 RTS I Request to Send 10 DEBUG_TX O Transmit data Description Pin GND 4.3 J104 Figure 13: J104 Interface SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide J104 Interface Pin List: Pin Signal 1 KCOL0 2 KROW0 3 KCOL1 4 KROW1 5 KCOL2 6 KROW2 7 KCOL3 8 KROW3 9 KCOL4 10 KROW4 11 PWRKEY_OUT O POWER KEY OUT 12 PWRKEY I POWER KEY IN 13 GND POWER GND 14 VBAT POWER POWER SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 5. EVB and accessory equipment At normal circumstance, the EVB and its accessory are equipped as the Figure 14. Figure 14: EVB and accessory equipment SIM840W-EVB_UGD_V1.
SIM840W EVB User Guide 6. Illustration: 6.1 Running: (1) Connect the SIM840W-TE with SIM840W module to the 60pins connector on SIM840W EVB, inserting 5V direct current source adapter, switching the S101,S102 switch on off state, S105 switch on ON state; (2) Press the PWRKEY for about 1 second, and then SIM840W module begins running. You can see the light Q3 on the EVB flashing at a certain frequency. By the state, you can judge whether the EVB and SIM840W can run or not.
SIM840W EVB User Guide Contact us: Shanghai SIMCom Wireless Solutions Ltd. Add: SIM Technology Building，No.633，Jinzhong Road，Changning District， Shanghai P.R. China 200335 Tel: +86 21 3235 3300 Fax: +86 21 3235 3301 URL: www.sim.com/wm SIM840W-EVB_UGD_V1.
