ORBCOMM OG2 Modem Integration Manual
9
Pin #
Title
In-Out /Voltage
Description
23
EXT INT1
Input, 1.8v
1
External Interrupt
24
Main Power
4 - 15v
Input Power
25
VREGIN
2.7 - 5.5v
1
USB regulator input
26
GND
Input
Ground
27
GND
Input
Ground
28
UART 4 TX
Output, 1.8v
1
TX, User serial port
29
GND
Input
Ground
30
ADC #0
–P
Input, 1.8v
1
16 bit, 1.7v TOS
31
CAN1-TX/UART4-
TX,Tamper
Input/Output 1.8v
1
TX CAN-1, UART4, Tamper
32
ADC #0 -N
Input, 1.8v
1
16 bit, 1.7v TOS
33
CAN1-RX/UART4-
RX,Tamper
Input, 1.8v
1
RX CAN-1, UART4, Tamper
34
GND
Input
Ground
35
GND
Input
Ground
36
ADC #1
–P
Input, 1.8v
1
16 bit, 1.7v TOS
37
SDHC0_CLK, ADC6,
SPI1_CLK
Input/Output 1.8v
SD Card clock, 10 bit ADC, SPI-
1 CLK
38
ADC #1 -N
Input, 1.8v
1
16 bit, 1.7v TOS
39
SDHC0_CMD, ADC7,
SPI1_SIN
Input/Output 1.8v
1
SD Card cmd, ADC, SPI-1 data
in
40
GND
Input
Ground
41
SDHC0_DO, ADC5,
SPI1_SOUT
Input/Output 1.8v
1
SD Card data #0, ADC, SPI-1
data out
42
SPI0, PCS0
Input, 1.8v
1
PCS0, SPI #0 chip select
43
SDHC0_D1, ADC4,
SPI1_PCS1
Input/Output 1.8v
1
SD Card data #1, ADC, SPI-1
44
SPI0, modemK
Output, 1.8v
1
modemK, SPI #0 clock
45
SDHC0_D2, SPI1_PCS0
Input/Output 1.8v
1
SD Card data #2, SPI-1 chip
sel, GPIO
46
SPI0, SOUT
Output, 1.8v
1
SOUT, SPI #0 data out
47
SDHC0_D3, SPI1_SDA
Input/Output 1.8v
1
SD Card data #3, SPI-1 data in,
GPIO
48
SPI0, SIN
Input, 1.8v
1
SIN, SPI #0 data in
49
SD CARD DETECT
Input, 1.8v
1
SD Card detection, GPIO
50
GND
Input
Ground
