SIMCOM_EVB Kit_User Guide_V1.02
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15
SIM1_DET
I
SIM detect
16
KBR3
I
KEYPAD input
4.3 Test Point C
Figure9: Test Point C
Test point C Pin description:
Pin
Signal
I/O
Description
1
KBR4
I
KEYPAD input
2
SPI_CS
O
SPI Chip Select
3
SPI_MOSI
O
SPI Data output
4
DSR
O
Data Set Ready
5
SPI_MISO
I
SPI Data input
6
SPI_CLK
O
SPI Clock output
7
PWM1
O
PWM output
8
PWM2
O
PWM output
9
VDD_EXT
P
Power output from Module
10
GND
P
GND
11
3V3
P
3.3V Power
12
1V8
P
1.8V Power
13
SD_VDD
P
Power for SD Card
14
ADC2
I
ADC input
15
SD_DET
I
SD detect