Appendix A. Connector-pin assignments 31
Parallel connector
Ethernet connector
Table 15. Parallel connector-pin assignments
Pin Signal I/O Pin Signal I/O
1 STROBE# I/O 14 AUTO FD XT# O
2 Data bit 0 I/O 15 ERROR# I
3 Data bit 1 I/O 16 INIT# O
4 Data bit 2 I/O 17 SLCT IN# O
5 Data bit 3 I/O 18 Ground
6 Data bit 4 I/O 19 Ground
7 Data bit 5 I/O 20 Ground
8 Data bit 6 I/O 21 Ground
9 Data bit 7 I/O 22 Ground
10 ACK# I 23 Ground
11 BUSY I 24 Ground
12 PE I 25 Ground
13 SLCT I
13
1
25
14
Table 16. Ethernet connector- pin assignments
Pin Signal I/O Pin Signal I/O
1 TxD+ O 5 Ground
2TxD− O6RxD− I
3 RxD+ I 7 Ground
4 Ground 8 Ground