Справочник Пользователя для Shanghai Simcom Ltd. 0606020080117
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02
15.02.2008
6
Figure 2: EVB BOTTOM view
A: SIM345 module interface
B: SIM card interface
C: Headset interface
D: Charge switch, switch on or off charging function
E: Download switch, turn on or off download function
F: ON/OFF key, turn on or turn off SIM345
G: Buzzer
H: Expand port, such as keypad port, main serial port, SPI port
I: Main serial port UART1 for downloading, AT command transmitting, data exchanging
J: General Purpose output or input ports for customers’ application, but can be multiplexed
B: SIM card interface
C: Headset interface
D: Charge switch, switch on or off charging function
E: Download switch, turn on or off download function
F: ON/OFF key, turn on or turn off SIM345
G: Buzzer
H: Expand port, such as keypad port, main serial port, SPI port
I: Main serial port UART1 for downloading, AT command transmitting, data exchanging
J: General Purpose output or input ports for customers’ application, but can be multiplexed
with another auxiliary serial port for internal ONLY
K: Hole for fixing the antenna
L: Source adapter interface
M: FLASH LED light
N: Hole for fixing the SIM345
O: Headphones interface
P: Reset key, reset module for
L: Source adapter interface
M: FLASH LED light
N: Hole for fixing the SIM345
O: Headphones interface
P: Reset key, reset module for
exigency
Q: VBATT switch, switch the voltage source from the adaptor or external battery
S: Auxiliary serial port UART2
S: Auxiliary serial port UART2