Epson LQ 1050 - B/W Dot-matrix Printer User Manual

REV.-A
Table 2-5. Pin Function of GA (E05A16GA) (cent’d)
Pin No. Signal Name
Direction
Function
36
PC4
OUT
PAPER OUT LED ON/OFF Control Signal
37
PC5
OUT
READY LED ON\ OFF control signal
38
PC6
OUT
ON LINE LED ON/OFF control signal
39
PC7
—
Not used
40
PBO
OUT
DRAFT LED ON/OFF control signal
41 PB 1
OUT
ROMAN LED ON/OFF control signal
42
PB2
OUT
SANS SERIF LED ON/OFF control signal
43
PB3
OUT
10 CPI (PICA) LED ON/OFF control signal
44
PB4
OUT
12 CPI (ELITE) LED ON/OFF control signal
45
PB5
OUT
PS (PROPORTIONAL) LED ON/OFF control signal
46
PB6
OUT
CONDENSED LED ON/OFF control signal
47
PB7
—
Not used
48
Vss
—
Logic ground
49 PA3 IN LINE FEED switch
50
PA4
IN
FORM FEED switch
51 PA5
IN LOAD/EJECT switch
52
PA6
—
Not used
53
PA7
54 AO IN Address bit (AO - A2)
I I
56
A2
57 Cs
IN Chip Select signal input
58
RD IN Read strobe signal
59 WR
IN
Write strobe signal
55
DBO
lN\OUT
Input/Output data bus (DO - D3)
I
I
63 DB3
64 Vrm
IN
Power source
NOTE: “Direction” on the signal flow is as viewed from the gate array.
2-32
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Epson LQ 1050 - B/W Dot-matrix Printer Specifications

General

Brand	Epson
Model	LQ 1050 - B/W Dot-matrix Printer
Category	Printer
Language	English