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SIM345 EVB User Guide
4.3 J103---GPIO
SPI & I/O Interface Pin List:
Pin
Signal
1
SPI_IO/ SDA
2
GPO2
3
SPI_CLK/ SCL
4
TEMP_BAT
5
/RST
6
GPIO0
7
/INTR
8
GPO0 / SPI_AUX
9
GPI
10
SPI_EN/ GPO3
11
ON/OFF
12
VCC
13
AUXV0
14
GPIO5
SIM345-EVB_UGD_V1.02
Figure 14: J3 Interface
I/O
Description
I/O
IIC interface
O
General Purpose Output Port
O
IIC interface
I
ADC
measurement
I
Reset module for emergency
I/O
General Purpose Input/Output Port
I
External interrupt input
O
General Purpose Output Port
I
General Purpose Input
O
General Purpose Output Port
I
To switch on or off the module
O
Output digital power supply
I
Auxiliary ADC input
I/O
General Purpose Input/Output Port
15
input
for
battery
temperature
15.02.2008
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