Specifications

REV.-A
A.1.2 E05A30 (3B)
This gate array was newly developed for this printer. Its functions are as follows:
1. Parallel l/F
2. Address decoder
3. Control panel LED drive
4. Data address multiplexer
5. PF motor control
6. CR motor control
7. Printhead drive
Figure A-6 shows the
E05A30 pin diagram. Table A-6 shows pin functions for the E05A30.
HD7 ~ 1
HD8 ~ 2
HD9 ~ 3
CRA O---- 4
CRB ~ 5
CRC ~ 6
CRD O-----
7
PFA O---- 8
PF8 ~ 9
PFC ~
10
PFD O---- 11
8USY O----- 12
PE
~ 13
ERR
~ 14
RESIN O----- 15
Vss ~
16
I NIT
~ 17
RDYLP
~ 18
RSTOUT O-----
19
STRB
~
20
DATA1 ~ 21
DATA2 ~ 22
DATA3 o---- 23
DATA4 o----- 24
DATA5 ~
25
DATA6 ~ 26
DATA7 ~ 27
DATA8 o--- 28
Al 4 ~ 29
Al 5 ~ 30
ONLLP ~
31
Es o--- 32
62
~ HD2
61
~ HD3
60
------O HD4
59
~ HD5
58
HD6
57
FIRE
56
~ DB7
55
DB6
54
----o DB5
53
----o
DB4
52
~ DB3
51
~ DB2
50
----O
DB1
49
DBO
48 ~ Vss
47 ~ ALE
46
RAMCS
45
----O~R
44
~ RD
43
~ AB7
42 ~ AB6
41
---’-O AB5
40
----o
AB4
39
~ AB3
38
---o
AB2
37
~ AB1
36
~ ABO
35
~ PELP
34
~ ACK
33
~ Vdd
Figure A-6. E05A30 Pin Diagram
A-7