Read Sharp AR-FN1 (serv.man10) Service Manual online
D. CPU: H8/3040 (IC2) terminal signals
Pin
No.
Port
Signal
name
IN/OUT
ACTIVE
Specification
Remarks
1
VCC
VCC
Power supply (
+
5V)
2
PB0
RMA
OUT
H
Reversion motor drive signal A
3
PB1
RMA/
OUT
H
Reversion motor drive signal A/
4
PB2
RMB
OUT
H
Reversion motor drive signal B
5
PB3
RMB/
OUT
H
Reversion motor drive signal B/
6
PB4
PMA
OUT
H
Pusher motor drive signal A
7
PB5
PMA/
OUT
H
Pusher motor drive signal A/
8
PB6
PMB
OUT
H
Pusher motor drive signal B
9
PB7
PMB/
OUT
H
Pusher motor drive signal B/
10
/RES0
RES0/
OUT
L
External device reset signal
11
VSS
GND
Power supply (GND)
12
P90
F-RXD
OUT
UART output
13
P91
N.C
14
P92
F-TXD
IN
UART input
15
P93
N.C
16
P94
F-DSR
OUT
H
DSR signal output to copier (communication request at H)
17
P95
F-DTR
IN
H
DTR signal input from copier (communication permission at H)
18
P40
STUMA
OUT
H
Staple unit movement motor drive signal A
19
P41
STUMA/
OUT
H
Staple unit movement motor drive signal A/
20
P42
STUMB
OUT
H
Staple unit movement motor drive signal B
21
P43
STUMB/
OUT
H
Staple unit movement motor drive signal B/
22
VSS
GND
Power supply (GND)
23
P44
OFMA
OUT
H
Off-set motor CCW drive signal
24
P45
OFMB
OUT
H
Off-set motor CW drive signal
25
P46
YB1SL
OUT
H
Paper holding solenoid drive signal
26
P47
N.C
27
P30
D0
IN/OUT
Data signal (D0)
28
P31
D1
IN/OUT
Data signal (D1)
29
P32
D2
IN/OUT
Data signal (D2)
30
P33
D3
IN/OUT
Data signal (D3)
31
P34
D4
IN/OUT
Data signal (D4)
32
P35
D5
IN/OUT
Data signal (D5)
33
P36
D6
IN/OUT
Data signal (D6)
34
P37
D7
IN/OUT
Data signal (D7)
35
VCC
VCC
Power supply (
+
5V)
36
P10
A0
OUT
Address signal (A0)
37
P11
A1
OUT
Address signal (A1)
38
P12
A2
OUT
Address signal (A2)
39
P13
A3
OUT
Address signal (A3)
40
P14
A4
OUT
Address signal (A4)
41
P15
A5
OUT
Address signal (A5)
42
P16
A6
OUT
Address signal (A6)
43
P17
A7
OUT
Address signal (A7)
44
VSS
GND
Power supply (GND)
45
P20
A8
OUT
Address signal (A8)
46
P21
A9
OUT
Address signal (A9)
47
P22
A10
OUT
Address signal (A10)
48
P23
A11
OUT
Address signal (A11)
49
P24
A12
OUT
Address signal (A12)
50
P25
A13
OUT
Address signal (A13)
51
P26
A14
OUT
Address signal (A14)
52
P27
A15
OUT
Address signal (A15)
53
P50
A16
OUT
Address signal (A16)
54
P51
A17
OUT
Address signal (A17)
55
P52
A18
OUT
Address signal (A18)
56
P53
A19
OUT
Address signal (A19)
57
VSS
GND
Power supply (GND)
58
P60
PMPD
OUT
H
Pusher motor power down signal (power down at H)
59
P61
N.C
60
P62
N.C
61
S-CLK
S-CLK
OUT
System lock signal
62
/STBY
STBY/
IN
L
Stand-by signal (fixed at H level)
63
/RES
RES/
IN
L
Reset signal (reset at L)
64
NMI
NMI
IN
H
Non-maskable interruption (fixed at L level)
65
VSS
GND
Power supply (GND)
66
EXTAL
EXTAL
IN
Clock (8MHz)
67
XTAL
XTAL
IN
Clock (8MHz)
68
VCC
VCC
Power supply (
+
5V)
9 – 3
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