Read Sharp ER-A610 (serv.man4) Service Manual online
3) Pin description
Pin
No.
Signal
name
In/
Out
Function
1
RF
Out
Receipt side paper feed solenoid
2
JF
Out
Journal side paper feed solenoid
3
PCUT
Out
Printer (M-820) partial cut signal = Not
used
used
4
FCUT
Out
Printer (M-820) auto cut signal = Not used
5
VF
Out
Multi line validation paper feed = Not
used
used
6
STAMP
Out
Printer (M-820) stamp signal
7
SLFS
Out
Slip printer (M-240) paper feed singnal
8
SLRS
Out
Slip printer (M-240) release signal
9
SLMTD
Out
Slip printer (M-240) motor drive signal
10
RES
Out
Peripheral output reset
11
TRG
Out
Dot head trigger signal (M-240)
12
TRG
Out
Dot head trigger signal (M-820)
13
POFF
In
Interrupt input
14
INT1
In
Interrupt signal (Key interrupt request)
15
HTS1
Out
8 bit serial port output
16
SCK1
Out
Serial port shift clock output
17
STH1
In
8 bit serial port input
18
—
—
Nu
19
—
—
Nu
20
VCC
—
+5V
21
GND
—
GND
22
—
—
Nu
23
VRESC
Out
Turns active when reset and power down
is met
is met
24
SLTMG
In
Slip printer timing signal
25
SLRST
In
Slip printer reset signal
26
AS
In
Address strobe
27
RD
In
Read strobe
28
WR
In
Write strobe
29
φ
In
(
φ
) System clock
30
SDT7
Out
Printhead drive signal (dot7)
31
SDT6
Out
Printhead drive signal (dot6)
32
SDT5
Out
Printhead drive signal (dot5)
33
GND
—
GND
34
SDT4
Out
Printhead drive signal (dot4)
35
SDT3
Out
Printhead drive signal (dot3)
36
SDT2
Out
Printhead drive signal (dot2)
37
SDT1
Out
Printhead drive signal (dot1)
38
D0
I/O
Data bus
39
D1
I/O
Data bus
40
D2
I/O
Data bus
41
D3
I/O
Data bus
42
GND
—
GND
43
D4
I/0
Data bus
44
D5
I/0
Data bus
45
D6
I/0
Data bus
46
D7
I/0
Data bus
47
SPRQ
Out
SSP interrupt request
48
RESET
In
MPCA5 reset
49
INT2
In
Interrupt signal (Nu)
50
INT3
In
Interrupt signal (Nu)
51
RXDI
Out
8 bit serial port output to CPU
52
TXDI
In
8 bit serial port input from CPU
Pin
No.
Signal
name
In/
Out
Function
53
SCKI
In
Serial port shift clock input from CPU.
54
IRQ0
Out
Interrupt request to CPU
55
A0
In
Address bus
56
A1
In
Address bus
57
A2
In
Address bus
58
A3
In
Address bus
59
A4
In
Address bus
60
A5
In
Address bus
61
GND
—
GND
62
VCC
—
+5V
63
A6
In
Address bus
64
A7
In
Address bus
65
A8
In
Address bus
66
A9
In
Address bus
67
A10
In
Address bus
68
A11
In
Address bus
69
A12
In
Address bus
70
A13
In
Address bus
71
A14
In
Address bus
72
A15
In
Address bus
73
A16
In
Address bus
74
A17
In
Address bus
75
A18
In
Address bus
76
A19
In
Address bus
77
A20
In
Address bus
78
A21
In
Address bus
79
A22
In
Address bus
80
—
—
Nu
81
A23
In
Address bus
82
TRGI
In
Dot pulse control/drive signal
83
PTMG
Out
Printer timing signal
84
PRST
Out
Printer reset signal
85
INT4
In
Interrupt signal
86
IPLON
In
Nu
87
MD1
In
Mode select input
88
MD0
In
Mode select input
89
TEST
In
Nu
90
—
—
Nu
91
—
—
Nu
92
—
—
Nu
93
—
—
Nu
94
—
—
Nu
95
—
—
Nu
96
—
—
Nu
97
—
—
Nu
98
—
—
Nu
99
—
—
Nu
100
VCC
—
+5V
101
GND
—
GND
102
—
—
Nu
103
—
—
Nu
104
—
—
Nu
105
—
—
Nu
106
—
—
Nu
16
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