Epson DFX-8500 Service Manual page 215

Pin
1, 2, 3, 4, 5, 6
7
8
9
10
11
12
13
14
15
16
17
18
19, 20, 21, 22, 23, 24
25
26
27
28
29
30
31
32
33
34
35
36
Rev. B
Table A-12. C204 MAIN Board Connector CN11
Signal Name
+5
BTXD
XREADY
BRXD
NC
BXRST
INH
XCMDREQ
XWRRDY
XRDREQ
XWR
XRD
XCS
GND
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
I/O Function
-
O Transmit data
O Ready
I Receive data
-
O Reset signal
O Inhibit signal output
I Command request signal
I Write ready signal
I Read request signal
O Write signal
O Read signal
O Chip select signal
-
O Address bus 3
O Address bus 2
O Address bus 1
O Address bus 0
I/O Data bus 7
I/O Data bus 6
I/O Data bus 5
I/O Data bus 4
I/O Data bus 3
I/O Data bus 2
I/O Data bus 1
I/O Data bus 0
APPENDIX
A-5