Epson DFX-8500 Service Manual page 209

4 CUTHPI
5 +5V
6 GND
7 RF
Table A-11. C204 Main Board Connector CN10
Pin
1, 2 +5V
3, 4 GND
5 DRERR
6 /PD
7 CL
8 SD
Table A-12. C204 Main Board Connector CN11
Pin
1, 2, 3, 4, 5, 6 +5
7 BTXD
8 XREADY
9 BRXD
10 NC
11 BXRST
12 INH
13 XCMDREQ
14 XWRRDY
15 XRDREQ
16 XWR
17 XRD
18 XCS
19, 20, 21, 22, 23, 24 GND
25 A3
26 A2
27 A1
28 A0
29 D7
30 D6
31 D5
32 D4
33 D3
34 D2
35 D1
36 D0
Signal Name
Signal Name
I Cutter home position
—
—
I Reverse point signal
I/O Function
I
O
O Printhead driver error signal
O Power down signal
I Current limit signal
I Power shutdown signal
I/O
—
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
Function
A-5