Development Kit Manual SIM548C-EVB_UGD_V1.
SIM548C EVB User Guide Document Title: SIM548C EVB User Guide Version: 1.01 Date: 2008-05-04 Status: Release Document Control ID: SIM548C-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.
SIM548C EVB User Guide Contents Contents ............................................................................................................................................3 1 Overview........................................................................................................................................6 2 EVB accessory ...............................................................................................................................8 3 Accessory interface .............
SIM548C EVB User Guide Figure Index FIGURE 1: TOP VIEW............................................................................................................................6 FIGURE 2: BOTTOM VIEW ..................................................................................................................6 FIGURE 3: EVB ACCESSORY...............................................................................................................8 FIGURE 4: POWER INTERFACE ...............................
SIM548C EVB User Guide SCOPE This document give the usage of SIM548C EVB, user can get useful info about the SIM548C EVB quickly through this document. Using SIM548C EVB, user can demo SIM548C module. Operating of module may interfere with medical devices like hearing aides and pacemakers. Please always keep the module more than 20 centimeters away from such medical devices when the module is powered on.
SIM548C EVB User Guide 1 Overview Figure 1: TOP view Figure 2: BOTTOM view A: 60-pin connector, SIM548C module interface B1-B5: LED indicator B1: VBAT ON/OFF B2: GSM net status B3: The GSM part of the module ON/OFF status B4: 1PPS output for GPS part SIM548C-EVB_ UGD _V1.01 6 04.05.
SIM548C EVB User Guide B5: GPS TX/RX status C1-C9: Key control for various functions C1: GSM part power-up / power down control (button Z101) C2: VBAT ON/OFF control (shifter S102) C3: VCHG ON/OFF control (shifter S105) C4: GSM part program download control (shifter S101) C5: GPS part power ON/OFF control (shifter S107) C6: GPS part reset control (button Z102) C7: GPS part RX/TX LED status selective shifter (shifter S106) C8: GPS part wake up control (shifter S103) C9: GPS part program download control (sh
SIM548C EVB User Guide 2 EVB accessory Figure 3: EVB accessory A: antenna A: 5V DC source adapter B: GSM antenna C: GPS antenna D: RF cable E: Earphone F: USB to serial port line SIM548C-EVB_ UGD _V1.01 8 04.05.
SIM548C EVB User Guide 3 Accessory interface 3.1 Power interface Figure 4: Power interface Pin Signal I/O Description 1 Adapter input I 5V/2.5A DC source input 3.2 Audio interface Figure 5: Audio interface SIM548C-EVB_ UGD _V1.01 9 04.05.
SIM548C EVB User Guide Headset interface: Pin Signal I/O Description 1 MIC1P I Positive microphone input 2 SPK1P O Positive microphone input 3 SPK1N O Negative microphone input 4 MIC1N I Negative microphone input Headphone interface: Pin Signal Input/Output Description 5 MIC2P&SPK2P I/O Auxiliary positive input and output 3.3 SIM card interface Figure 6: SIM card interface Note: Please refer to SIM548C User Guide, detailed in Chapter 3.11 SIM interface. SIM548C-EVB_ UGD _V1.
SIM548C EVB User Guide 3.4 Antenna interface 3.4.1 GSM antenna interface Figure 7: GSM antenna interface SIM548C-EVB_ UGD _V1.01 11 04.05.
SIM548C EVB User Guide 3.4.2 GPS antenna interface Figure 8: GPS antenna interface SIM548C-EVB_ UGD _V1.01 12 04.05.
SIM548C EVB User Guide 3.5 RS232 interface 3.5.1 GSM part Figure 9: GSM part serial ports Serial Port 1 Pin Signal I/O Description 1 DCD O Data carrier detection 2 TXD O Transmit data 3 RXD I Receive data 4 DTR I Data Terminal Ready 5 GND 7 RTS I Request to Send 8 CTS O Clear to Send 9 RI O Ring Indicator GND Serial Port 2 Pin Signal I/O Description 2 DEBUG_TX O Transmit data 3 DEBUG_RX I Receive data 5 GND SIM548C-EVB_ UGD _V1.01 GND 13 04.05.
SIM548C EVB User Guide 3.5.2 GPS part Figure 10: GPS part serial ports Serial port 1: Pin Signal I/O Description 2 GPS_TXA O Transmit data 3 GPS_RXA I Receive data 5 GND GND Serial port 2: Pin Signal I/O Description 2 GPS_TXB O Transmit data 3 GPS_RXB I Receive data 5 GND SIM548C-EVB_ UGD _V1.01 GND 14 04.05.
SIM548C EVB User Guide 3.6 Operating status LED 3.6.1 GSM part Figure 11: GSM part LED Name Description STATUS VBAT_LED VBAT ON/OFF indicator Bright: VBAT ON; Extinct: VBAT OFF GSM_NET_LED GSM_NET status indicator Blinking at a certain frequency according to various GSM net status MO_STATUS_LED GSM part status indicator Not used, will be configured in our latter software. 15 04.05.2008 SIM548C-EVB_ UGD _V1.
SIM548C EVB User Guide 3.6.2 GPS part Figure 12: GPS part LED Name Description STATUS 1PPS_LED 1PPS signal indicator Not used currently RX/TX_LED Run or download indicator Run normally: Blinking at 1Hz Download: Blinking rapidly SIM548C-EVB_ UGD _V1.01 16 04.05.
SIM548C EVB User Guide 4 Test interface Figure 13: Test interface overview 4.1 GSM serial ports Figure 14: GSM serial ports Pin Signal I/O Description 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 SIM548C-EVB_ UGD _V1.01 GND 17 04.05.
SIM548C EVB User Guide 9 RTS I Request to Send 10 DEBUG_TX O Transmit data 4.2 LCD & ADC Figure 15: LCD & ADC interface Pin Signal I/O Description 1 DISP_CS O Display enable output 2 NC 3 DISP_CLK O Display clock output 4 BUZZER O Buzzer output.
SIM548C EVB User Guide 4.3 GPS control & I/O Figure 16: GPS control & I/O interface Pin Signal I/O Description 1 GPS_WAKEUP I GPS WAKEUP key 2 NC 3 GPS_BOOTSEL I For re-programming the Flash, it must be set to High 4 NC 5 GPS_MRST I Reset pin of the GPS part, active low. 6 NC 7 GPS_TIMEMARK O 1 PPS timemark output for synchronizing to within 1 microsecond of GPS time. 8 NC 9 NC 10 NC 11 GND 12 NC 13 GND 14 GPS_VCC SIM548C-EVB_ UGD _V1.
SIM548C EVB User Guide 4.5 GPS serial ports and power Figure 17: GPS serial ports Pin Signal I/O 1 GPS_TXB O 2 GPS_TXA O 3 GPS_RXB I 4 GPS_RXA I 5 GPS_VCC_RF O Power supply for 3V active antenna. 6 GPS_VANT I External DC power supply for an active antenna. 7 GPS_VCC_RF O Power supply for 3V active antenna. 8 GPS_VRTC I Apply 3V dc for backup RTC & SRAM. 9 GND GND 10 GND GND SIM548C-EVB_ UGD _V1.01 Description GPS serial interface. 20 04.05.
SIM548C EVB User Guide 5 EVB and accessory equipment At normal circumstance, the EVB and its accessory are equipped as the following figure: Figure 18: EVB and accessory equipment SIM548C-EVB_ UGD _V1.01 21 04.05.
SIM548C EVB User Guide 6 Illustration 6.1 GSM part 6.1.1 Running (1) Connect the SIM548C module to the 60pins connector on the SIM548C EVB, insert the 5V direct current source adapter, switch shifter S101 on the RUN state, shifter S102 on the ON state; (2) Press the GSM_ON/OFF button Z101 for about 2 seconds , then the GSM part of SIM548C begins to run.
SIM548C EVB User Guide turned off. 6.1.5 Charging Connect the SIM548C module to the 60pin connector interface and the external battery to charging interface, which have been provided on the EVB. Insert the direct current source adapter; switch shifter S102 on the OFF state, shifter S105 on the ON state, then the SIM548C will go to the charging state. 6.2 GPS part 6.1.1 Running: (1) Connect the module to the 60pins connector on the EVB, insert the 5V direct current source adapter.
SIM548C EVB User Guide The other is passive antenna, if the customer want to use passive GPS antenna to demo GPS, there is no need to provide power to the antenna. 6.1.2 Tracking the satellite signals (1) Connect the serial port line to the GPS_COMA serial port (2) Connect the GPS antenna to the module using an antenna transmit line (3) Run the GPS part of the module as 6.1.
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