Physical Specifications; Signal Lines - NEC PC-8201 Service Manual

3.2 Physical Specifications
3.2.1 Signal Lines
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1
)
Printer Interface
Printer 26 p i n connector using a flat cable
2 5 . PRINTER
_
I
Pin
number
1
3
5
7
9
11
1 3
1 5
17
19
21
23
2 5
Signal
name
STROBE
PDO
PD1
PD2
PD3
PD4
PD5
PD6
PD7
N C
BUSY
N C
SLCT
Remarks
Write strobe
Parallel data 0
Parallel data 1
Parallel data 2
Parallel data 3
Parallel data 4
Parallel data 5
Parallel data 6
Parallel data 7
Printer busy
Pin
number
2
4
6
8
1 0
1 2
1 4
1 6
1 8
2 0
2 2
2 4
Printer select
1
2 6 N C
Signal
name
G N D
G N D
G N D
G N D
G N D
G N D
G N D
G N D
G N D
G N D
G N D
G N D
Remarks
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground