Read Sharp ER-A440 (serv.man4) Service Manual online
3) Pin description
PIN
No.
SYMBOL
SIGNAL
NAME
IN/
OUT
FUNCTION
1
IN
RESET INPUT from CKDC WUTH
BUFFER
BUFFER
2
IN
NON-MASKABLE INTERRUPT INPUT
FOR SSP INTERRUPT INPUT
FOR SSP INTERRUPT INPUT
3
VSS
VSS
GND
4
P10
ERC
OUT
EVENT READ CANCEL (to CKDC)
5
P11
LDRQ
OUT
LOAD REQUEST (to CKDC)
6
P12
/SHEN
IN
SHIFT ENABLE (from CKDC)
7
P13
/FRES
OUT
FISCAL MEMORY RESET (NU)
8
P14
BUSY
IN
FISCAL MEMORY BUSY (NU) Pull-up
9
IN
FISCAL MEMORY READY (NU)
Pull-up
Pull-up
10
IN
POP-UP DISPLAY SENSOR (NU)
Pull-up
Pull-up
11
P17
IN
GND Nu
12
D0
D0
I/O
DATA BUS 0
13
D1
D1
I/O
DATA BUS 1
14
D2
D2
I/O
DATA BUS 2
15
D3
D3
I/O
DATA BUS 3
16
D4
D4
I/O
DATA BUS 4
17
D5
D5
I/O
DATA BUS 5
18
D6
D6
I/O
DATA BUS 6
19
D7
D7
I/O
DATA BUS 7
20
VSS
VSS
GND
21
A0
A0
OUT
ADDRESS BUS 0
22
A1
A1
OUT
ADDRESS BUS 1
23
A2
A2
OUT
ADDRESS BUS 2
24
A3
A3
OUT
ADDRESS BUS 3
25
A4
A4
OUT
ADDRESS BUS 4
26
A5
A5
OUT
ADDRESS BUS 5
27
A6
A6
OUT
ADDRESS BUS 6
28
A7
A7
OUT
ADDRESS BUS 7
29
A8
A8
OUT
ADDRESS BUS 8
30
A9
A9
OUT
ADDRESS BUS 9
31
A10
A10
OUT
ADDRESS BUS 10
32
A11
A11
OUT
ADDRESS BUS 11
33
A12
A12
OUT
ADDRESS BUS 12
34
A13
A13
OUT
ADDRESS BUS 13
35
A14
A14
OUT
ADDRESS BUS 14
36
A15
A15
OUT
ADDRESS BUS 15
37
VSS
VSS
GND
38
A16
A16
OUT
ADDRESS BUS 16
39
A17
A17
OUT
ADDRESS BUS 17
40
A18
A18
OUT
ADDRESS BUS 18
41
A19
A19
OUT
ADDRESS BUS 19
42
A20
A20
OUT
ADDRESS BUS 20
43
A21
A21
OUT
ADDRESS BUS 21
44
A22
A22
OUT
ADDRESS BUS 22
45
A23
A23
OUT
ADDRESS BUS 23
46
VSS
VSS
GND
47
/WAIT
/WAIT
IN
Wait signal from MPCA
48
OUT
Bus control request acknowl edge (Nu)
49
/BREQ
/BREQ
IN
Bus control request (Nu) pull-up
50
P33
DOPS
IN
Drawer open sencer signal
51
P34
/DR0
OUT
Drawer open drive signal
52
P35
/DR1
OUT
Option drawer 1 drive signal
53
P36
NU
IN
(Nu) GND
54
P37
NU
IN
(Nu) GND
55
VCC
VCC
+5V
56
P40
/IFV
IN
Slip printer enable (Nu) pull-up
57
IN
Printer (Dp-730) timing signal from
MPCA
MPCA
PIN
No.
SYMBOL
SIGNAL
NAME
IN/
OUT
FUNCTION
58
P42
/TOF
IN
Slip TOF signal (Nu) pull-up
59
P43
/BOF
IN
Slip BOF signal (Nu) pull-up
60
IN
Printer (Dp-730) Reset signal from
MPCA
MPCA
61
P45
/NEJ
IN
Near END signal jounal
62
IN
CKDC interface shift enable signal (NU)
GND
GND
63
P47
/NER
IN
Near END signal receipt
64
VSS
VSS
GND
65
P50
TRG1
OUT
Dot pulse adjust signal
66
P51
/PSTOP
OUT
Nu
67
P52
/CKDCR2
OUT
Nu
68
P53
OPDS
IN
Nu (GND)
69
P54
FVPON
OUT
Nu
70
P55
FMRS
IN
Nu (GND)
71
P56
/SLIPLMP
OUT
Nu
72
P57
/STOP
OUT
Nu
73
OUT
ER signal for RS232 (Equipment
Ready)
Ready)
74
IN
DR signal for RS232 (Data set Ready)
75
IN
CS signal for RS232 (Clear to Send)
76
IN
CD signal for RS232 (Carrier Detect)
77
OUT
RR signal for RS232 (Ready to
Receive) (Nu)
Receive) (Nu)
78
OUT
RS signal for RS232 (Request to Send)
79
IN
CI signal for RS232 (Calling Indicator)
80
IN
Printer (Dp-730) Home position pulse
81
VSS
VSS
GND
82
AVSS
AVSS
IN
GND
83
P70
VPJ
IN
Validation sensor journal (NU) GND
84
P71
VPR
IN
Validation sensor receipt (NU) GND
85
P72
VPTEST
IN
+24V test input
86
P73
IN
Validation sense signal (Nu) GND
87
AVCC
AVCC
IN
+5V
88
VCC
VCC
+5V
89
P80
/iRQ0
IN
Interrupt signal 0 from MPCA
90
IN
Interrupt signal from OPTION PWB
91
P82
/iRQ2
IN
Interrupt signal (Nu) pull-up
92
P83
SCK2
OUT
CKDC & FMC i/F sync shift clock
93
P84
RXD
IN
RS232C RECEIVE DATA
94
P85
TXD
OUT
RS232C SEND DATA
95
IN
CKDC, Fiscal memory unit I/F shift
input data
input data
96
OUT
CKDC, Fiscal memory unit I/F shift
output data
output data
97
VSS
VSS
GND
98
EXTAL
EXTAL
IN
X-TAL (14.7456MHz)
99
XTAL
XTAL
IN
X-TAL (14.7456MHz)
100 VSS
VSS
GND
101
φ
φ
OUT
System clock (7.3728MHz)
102 E
OUT
E clock (NU)
103 /AS
/AS
OUT
Address strobe
104 /RD
/RD
OUT
Read
105 /HWR
/WR
OUT
Write
106 /LWR
OUT
Nu
107 /RFSH
/RFSH
OUT
Refresh cycle (NU)
108 VCC
VCC
+5V
109 MD0
MD0
IN
+5V (MODE 3)
110 MD1
MD1
IN
+5V (MODE 3)
111 MD2
MD2
IN
GND (MODE 3)
112 /STBY
/STBY
IN
+5V (Nu)
4 – 4
Click on the first or last page to see other ER-A440 (serv.man4) service manuals if exist.