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Canon PC920 User Manual

Canon PC920
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A-15
COPYRIGHT
©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
E. ADF CONTROLLER CIRCUIT DIAGRAM
ADF Controller Circuit Diagram (1/3)
XTAL
1
64
RES*
63
P66/IRQ2*
62
P65/IRQ1*
61
P64/IRQ0*
60
P63/FTI
59
P62/FTOB
58
P61/FTOA
57
P60/FTCI
56
P37/D7
55
P36/D6
54
P35/D5
53
P34/D4
52
P33/D3
51
P32/D2
50
P31/D1
49
P30/D0
2
EXTAL
3
MD1
4
MD0
5
NMI*
6
Vcc
7
STBY*
8
Vss
9
P40/TMCI0
10
P41/TMO0
11
P42/TMRI0
12
P43/TMCI1
13
P44/TMO1
14
P45/TMRI1
15
P46/PHI
16
P47/E
P10/A0
48
47
P11/A1
46
P12/A2
45
P13/A3
44
P14/A4
43
P15/A5
42
P16/A6
41
P17/A7
40
Vss
39
P20/A8
38
P21/A9
37
P22/A10
36
P23/A11
35
P24/A12
34
P25/A13
33
P26/A14
P50/TXDO
17
18
P51/RXDO
19
P52/SCK0
20
P53/TXD1
21
P54/RXD1
22
P55/SCK1
23
P70/IS*
24
P71/OS*
25
P72/BUSY*
26
P73/IOS*
27
P74/AS*
28
P75/WR*
29
P76/RD
30
P77/WAIT*
31
Vcc
32
P27/A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
8
9
10
11
12
13
14
7
0
1
2
3
4
5
6
15
TXD
RXD
DM0
DM1
WD
LED
ADFC
PDP3
PDP2
PDP1
NC
NC
RD*
+5V
+5V
C8 C22
R44
A
A*
B
B*
ACK
REQ
NC
NC
+5V
R5
R6
C7
X1
C6
R4
+5V
R3
JP1
Q1
+5V
8
RESET*
Vs
7
Vref
6
Vcc
5
GND
4
3
Ck
2
RESET
1
Ct
WD
Q3
+
D1
C5
+5V
R2
PSW
RESET*
DIGIT3
DIGIT2
DIGIT1
DIGIT0
DIPSW1
DIPSW0
7
D7
D6
6
D5
5
D4
4
D3
3
D2
2
D1
1
D0
0
A7 A13
A6
4
A8
A12
VPP
2
3
1
VCC
A14
Q2
25
27
26
28
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
11
O1
12
O2
13
O3
14
GND
A9
24
A11
23
OE*
22
A10
21
CE*
20
O8
19
O7
18
O6
17
O5
16
O4
15
+5V
12 A12
A7
7
A66
A55
A44
A33
A22
A11
A00
0D0
1 D1
2 D2
14A14
A13
13
A8 8
A9 9
A11 11
15
10
A15
A10
D3 3
D4 4
D5 5
D6 6
D7 7
C9
16
8
R1
3
J1
+
J1
4
C1
+5V
CP1
J1
J1
2
1
C2
+
CB1
1
J6
J6
2
Q11
+24V
ZD1
C21
+5V
R45
ADFC
C10
+5V
14
7
GND
VCC
HC14
Q6
C3
C4

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Canon PC920 Specifications

General IconGeneral
BrandCanon
ModelPC920
CategoryCopier
LanguageEnglish

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