RabbitCore RCM2200, User Manual

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User’s Manual Hardware Reference 2–3
Table 2–1:
RabbitCore RCM2200 Pinout Configurations
Pin Pin Name Default Use Alternate Use Notes
Head
er
J4
1 GND
2 VCC
3 PC0 Output TXD
4 PC1 Input RXD
5 PC2 Output TXC
6 PC3 Input RXC
7 TPOUT–
Ethernet transmit port
8 TPOUT+
9 LNK
Ethernet LNK LED
indicator
10 PD3
Bitwise or parallel
programmable I/O
11 PD4 ATXB output
12 PD5 ARXB input
13 /IORD
Input (I/O read
strobe)
14 /IOWR
Output (I/O write
strobe)
15 PE0
Bitwise or parallel
programmable I/O
I0 control or INT0A input
16 PE1 I1 control or INT1A input
17 TPIN–
Ethernet receive port
18 TPIN+
19 PE4
Bitwise or parallel
programmable I/O
I4 control or INT0B input
20 PE5 I5 control or INT1B input
21 ACT
Ethernet active (ACT)
LED indicator
22 PE7
Bitwise or parallel
programmable I/O I7 control or slave port
chip select /SCS
23–26 A[3:0] Rabbit 2000 address bus