Epson EPL-N1200 Service Manual page 141

Appendix A
Pin No.
1,2,3,4,5,6
19,20,21,22,23,24 GND
7
8
9
10
11
12
13
14
15
16
17
18
25
26
27
28
29
30
31
32
33
34
35
36
A-10
Table A-6. CN7Pin Assignments
Signal Name I/O
+5V —
—
TXD —
READY —
RXD —
NC —
RESET O
INH O
CMREQ
WRRDY
RDREQ
WR O
RD O
CS O
A3 O
A2 O
A1 O
A0 O
D7 I/O
D6 I/O
D5 I/O
D4 I/O
D3 I/O
D2 I/O
D1 I/O
D0 I/O
Description
+5 V DC
Ground
Ground
+5 VDC
Not used
Not used
Reset signal
I/F disabled
I Request command
I I/F ready
I Data read request
Write signal
Read signal
Chip select signal
Address bus bit 3
Addres bus bit 2
Addres bus bit 1
Addres bus bit 0
Data bus bit 7
Data bus bit 6
Data bus bit 5
Data bus bit 4
Data bus bit 3
Data bus bit 2
Data bus bit 1
Data bus bit 0
EPL-N1200 Service Manual
Rev. A