J201 - SimCom SIM900D EVB User Manual

SIM900D EVB User Guide
8 TEMP_BAT
9 SIMPRESENCE
10 PWM1
11 SDA
12 SCL
13 GND
14 PWM2

4.2 J201

Figure 12: J201 Interface
J201 Interface Pin List:
Signal
Pin
1 TXD
2 RXD
3 DCD
SIM900D-EVB_UGD_V1.01
I
I
O
I/O
O
POWER
O
I/O
O
I
O Data carrier detection
15
ADC input
SIM detect input
PWM output
I2C BUS DATA
I2C BUS CLOCK
GND
PWM output
Description
Transmit data
Receive data
01.07.2010