Epson Stylus 1500 - Page 160

Table A-3. Connector Pin Assignments – CN2
Pin I/O Name Description
1 - 6 — +5 V
+5 VDC
7O TXD
Transmit data
8OREADY
Ready to receive data
9I RXD
Receive data
10 — NC
Not connected
11 O RST
Reset
12 O INH
Inhibit
13 I CMREQ
Command request
14 I WRRDY
Write ready
15 I RDREQ
Read ready
16 O WR
Write
17 O RD
Read
18 O CS
Chip select
19 - 24 — GND
Ground
25 O A3
Address bus bit 3
26 O A2
Address bus bit 2
27 O A1
Address bus bit 1
28 O A0
Address bus bit 0
29 I/O D7
Data bus bit 7
30 I/O D6
Data bus bit 6
31 I/O D5
Data bus bit 5
32 I/O D4
Data bus bit 4
33 I/O D3
Data bus bit 3
34 I/O D2
Data bus bit 2
35 I/O D1
Data bus bit 1
36 I/O D0
Data bus bit 0
Appendix
A-6 EPSON Stylus 1500 Service Manual