Epson LG1-1070 Service Manual page 302

Pin No.
1
5
6
0
TXD
i
0
/READY
9
RXD
10 NC
0
11
0
INH
12
13
14
15
16 0
17 0
0
18
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
0
25 A3
0
26
0
27 A l
0
28
29 D7
VO
30 D6
31 D5
32 D4
vo
33 D3
34 D2
35
36 DO
Epson LQ-570+/1 070+
Table B-14. Cl 07 MAIN Board - CNZ
Signal Name Function
Transmit data
Ready to receive data
Receive data
Not connected
Reset
Inhibit
Command request
Write ready
Read request
Write
Read
Chip select
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Address bus bit 3
Address bus bit 2
Address bus bit 1
Address 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
,
B-25