Epson LQ-1050 Technical Manual page 234

A.2.1.4 CN4 (Contained only JAPAN)
To exchange data between the EMKG board and the
Use:
Number of pins: 44
Signal
Pin No.
Al 2
I 2 I
3
4
AD 10
6
7 AD 1
ADO
8
DO
9
10
D2
+ 5
12
13
14 B3
16 BO
17 B2
19
DIP
20
22 NC
A13
23
24 A8
25 A9
26 All
29 D7
30
31
32
D4
I
33
D3
Table A-1 5. CN4 Pin Assignments
Dir.
Address
0 bus 12
bus 7
o Address
Address bus 6
o
o Address bus 5
Address bus 4
Address bus 10
0
Address bus 1
0
Address bus O
o
Data bus O
Data bus 1
Data bus 2
+ 5V DC
o power
—
o
Bank 3
Not connected
o Bank O
o Bank 2
Pulled up (+5V DC)
o
DIP select
o
Read pulse
—
Not connected
Address bus 13
o
Address bus 8
o
Address bus 9
o
O Address bus 11
Address bus 3
Address bus 2
Data bus 7
Data bus 6
Data bus 5
Data bus 4
Data bus 3
Description
A-33
board.
M O N M A