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CPCI_J4 Pin Assignments
cPCI connector J4 pin assignments
Table 3-4
Pin
A
J4-25
n/c
J4-24
GPIO_0
J4-23
n/c
J4-22
COM8_RXC-
J4-21
COM8_RXC+
J4-20
COM8_TXC-
J4-19
COM8_TXC+
J4-18
COM8_RXD-
J4-17
COM8_RXD+
J4-16
COM8_TXD-
J4-15
COM8_TXD+
J4-12–14
J4-11
COM3_RXC-
J4-10
COM3_RXC+
J4-9
COM3_TXC-
J4-8
COM3_TXC+
J4-7
COM3_RXD-
J4-6
COM3_RXD+
J4-5
COM3_TXD-
J1-4
COM3_TXD+
J4-3
n/c
J4-2
ETH2_DA+
J4-1
ETH2_DB+
NOTES:
a.
ETHn:
b.
GPIO:
c.
Serial I/O:
3-7
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B
C
n/c
n/c
GPIO_1
GPIO_2
n/c
n/c
n/c
n/c
n/c
n/c
COM3_232_RX n/c
COM3_232_TX
n/c
n/c
n/c
n/c
n/c
COM4_232_RX n/c
COM4_232_TX
n/c
COM4_RXC-
COM5_RXC-
COM4_RXC+
COM5_RXC+
COM4_TXC-
COM5_TXC-
COM4_TXC+
COM5_TXC+
COM4_RXD-
COM5_RXD-
COM4_RXD+
COM5_RXD+
COM4_TXD-
COM5_TXD-
COM4_TXD+
COM5_TXD+
n/c
n/c
ETH2_DA-
GND
ETH2_DB-
GND
Gigabit Ethernet (ETH2)
General purpose I/O (GPIO_0–GPIO_3)
COM1, COM2 (RS-422), COM3, COM4 (RS232/422), COM5–COM8 (RS-422/485)
D
E
n/c
n/c
GPIO_3
n/c
n/c
n/c
COM1_RXC-
COM2_RXC-
COM1_RXC+
COM2_RXC+
COM1_TXC-
COM2_TXC-
COM1_TXC+
COM2_TXC+
COM1_RXD-
COM2_RXD-
COM1_RXD+
COM2_RXD+
COM1_TXD-
COM2_TXD-
COM1_TXD+
COM2_TXD+
COM6_RXC-
COM7_RXC-
COM6_RXC+
COM7_RXC+
COM6_TXC-
COM7_TXC-
COM6_TXC+
COM7_TXC+
COM6_RXD-
COM7_RXD-
COM6_RXD+
COM7_RXD+
COM6_TXD-
COM7_TXD-
COM6_TXD+
COM7_TXD+
n/c
n/c
ETH2_DC+
ETH2_DC-
ETH2_DD+
ETH2_DD-
Interfaces
F
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
C2K User's Guide
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