Sharp AR-FN3, Service Manual

Page: 36 / 54

D. CPU: H8/3040 (IC3) terminal signals
Pin
No.
Port
Signal
name
IN/OUT ACTIVE Specification Remarks
1 VCC VCC Power supply (
+
5V)
2 PB0 T3OMA OUT H Tray 3 paper discharge motor drive signal A
3 PB1 T3OMA/ OUT H Tray 3 paper discharge motor drive signal A/
4 PB2 T3OMB OUT H Tray 3 paper discharge motor drive signal B
5 PB3 T3OMB/ OUT H Tray 3 paper discharge 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 N.C
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 JMPD OUT H Jogger motor power down signal (H: Power down)
60 P62 T3MPD OUT H Tray 3 paper discharge motor power down signal (H: Power down)
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 (12.2MHz)
67 XTAL XTAL IN Clock (12.2MHz)
68 VCC VCC Power supply (
+
5V)
AR-FN3
8/19/1999 9 – 3