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Summary of Contents for SimCom SIM900-EVB_UGD_V1.01
- Page 1 Development Kit Manual SIM900-EVB_UGD_V1.01...
- Page 2 SIM900-EVB_UGD_V1.01 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. Simcom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession.
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Page 3: Table Of Contents
FIGURE 7: ANTENNA INTERFACE ....................11 FIGURE 8: SERIAL PORTS........................12 FIGURE 9: STATUSLED ........................13 FIGURE 10: TEST INTERFACE OVERVIEW..................14 FIGURE 11: J103 INTERFACE......................14 FIGURE 12: J201 INTERFACE ......................15 FIGURE 13: J104 INTERFACE ......................16 FIGURE 14: EVB AND ACCESSORY EQUIPMENT .................18 SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 4: Version History
This document gives the usage of SIM900 EVB and SIM900A EVB, user can get useful info about the SIM900 EVB and SIM900A EVB quickly through this document. This document takes SIM900 EVB as an example. This document is subject to change without notice at any time. SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 5: Sim900 Evb
SIM900 EVB User Guide 1. SIM900 EVB Figure 1: EVB TOP view SIM900-EVB_UGD_V1.01 08.12.2009... - Page 6 Power key ( module ON/OFF control ) K: Charge switch ( charge ON/OFF control ) L: Download switch ( download control ) M: Power switch ( power ON/OFF control ) N: Headphones interface O: Headset interface P: Line in interface Q: Status light SIM900-EVB_UGD_V1.01 08.12.2009...
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Page 7: Evb Accessory
SIM900 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 SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 8: Accessory Interface
SIM900 EVB User Guide 3. Accessory Interface 3.1 Power Interface Figure 4: Power Interface Signal Description Adapter input 5V/2.5A DC source input SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 9: Audio Interface
Positive microphone input SPK1P Positive receiver output MIC1N Negative microphone input SPK1N Negative receiver output Earphone interface: Signal Input/Output Description MIC2P&SPK2P Auxiliary positive input and output Line in interface: Signal Input/Output Description Line in R/L Line in signal SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 10: Sim Card Interface
SIM900 EVB User Guide 3.3 SIM card interface Figure 6: SIM card interface SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 11: Antenna Interface
SIM900 EVB User Guide 3.4 Antenna Interface Figure 7: Antenna Interface SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 12: Rs232 Interface
Serial Port 1——MAIN Interface Serial Port 2——DEGUG Interface Main Interface: Signal Description Data carrier detection Transmit data Receive data Data Terminal Ready Request to Send Clear to Send Ring Indicator Debug Interface: Signal Description DEBUG_TX Transmit data DEBUG_RX Receive data SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 13: Operating Status Led
Description STATUS Bright：VBAT ON; VBAT ON/OFF indicator Extinct: VBAT OFF Bright: Module runs normally GSM part status indicator Extinct: System powered down module runs unconventionally GSM_NET status indicator Blinking at a certain frequency according various GSM net status SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 14: Test Interface
Figure 10: Test interface overview 4.1 J103 Figure 11: J103 Interface J103 Interface Pin List: Signal Description DISP_D/C Display data or address select DISP_CS Display select output DISP_CLK Display clock output DISP_DAT Display data line GPO1 ADC IN SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 15: J201
SIM900 EVB User Guide GPIO1 GPIO TEMP_BAT ADC input SIMPRESENCE SIM detect input PWM1 PWM output I2C BUS DATA I2C BUS CLOCK POWER PWM2 PWM output 4.2 J201 Figure 12: J201 Interface J201 Interface Pin List: Signal Description Transmit data SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 16: J104
Ring Indicator Clear to Send Data Terminal Ready DEBUG_RX Receive data Request to Send DEBUG_TX Transmit data 4.3 J104 Figure 13: J104 Interface J104 Interface Pin List: Signal Description KCOL0 Keypad array interface KROW0 KCOL1 KROW1 KCOL2 KROW2 SIM900-EVB_UGD_V1.01 08.12.2009... - Page 17 SIM900 EVB User Guide KCOL3 KROW3 KCOL4 KROW4 PWRKEY_OUT POWER KEY OUT PWRKEY POWER KEY IN POWER VBAT POWER POWER SIM900-EVB_UGD_V1.01 08.12.2009...
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Page 18: Evb And Accessory Equipment
SIM900 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 SIM900-EVB_UGD_V1.01 08.12.2009... -
Page 19: Illustration
START key, then switch the S105 switch on ON state, S102 switch on ON state, then EVB provide the function of downloading. 6.4 Turns off Turn off SIM900 module: press the PWRKEY for about 2 second, SIM900 module will be turned off. SIM900-EVB_UGD_V1.01 08.12.2009... - Page 20 SIM900 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 SIM900-EVB_UGD_V1.01 08.12.2009...
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