Panasonic KX-P7100, Service Manual

Page: 93 / 148

7.9. IC11 ( Engine Control CPU )
IC11 (Engine Control CPU)
Pin
No.
Symbol In/Out Function
Pin
No.
Symbol In/Out Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
UI2
INT27
AN0
P51
P52
P53
P54
P55
P56
P57
AVCC
AVR
AVSS
INT10
P61
INT12
P63
P64
nRST
MOD0
MOD1
X0
X1
VSS
P27
P26
P25
P24
P23
PPGO2
PPGO1
P20
-
In
In
In
Out
Out
Out
Out
Out
Out
-
-
-
In
In
In
In
In
In
-
-
In
-
-
-
-
Out
Out
Out
Out
Out
Out
(not used)
Door open signal
Thermistor voltage detect
TESEN
Scanner motor control signal
Fan motor control signal
Toner Empty LED control
signal
Charger control signal
Dev. bias channel signal
Transfer bias control signal
+5V
+5V
GND
Hsync signal
Scanner motor lock signal
Top sennsor signal
Process unit detection signal
Fan motor error signal
System reset
GND
GND
System clock
N.C.
GND
(not used)
(not used)
EEPROM data out
EEPROM clock
EEPROM chip select
Scanner motor clock
Fuser contorl signal
+5V contorl signal 33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64 P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
SCK1
SO1
SI1
PTO2
P35
VCC
WTO
PTO1
INT20
P41
P42
P43
P44
P45 In
-
-
In
-
-
In
In
Out
Out
Out
Out
-
Out
Out
Out
-
Out
In
Out
In
Out
In
-
In
Out
In
Out
Out
In
Out
Out
EEPROM data in
(not used)
N.C.
Resist seneor signal
N.C.
N.C.
EEPROM initialize signal
Exit sensor signal
Pick up control signal
Resist control signal
Exit control signal
Motor I0 control signal
N.C.
Purge signal
Status busy signal
Top signal
GND
Printer ready signal
Communication clock
Status data signal
Command data signal
Dev. bias PWM signal
Print signal
+5V
Command busy signal
Transfer bias PWM signal
Power save signal
Serial clock
Serial data out
Serial data in
Chip select
Motor I1 control signal
7.10. IC12 ( EEPROM )
IC12 (EEPROM)
Pin
No.
Symbol In/Out Function
1
2
3
4
5
6
7
8 CS
SK
DI
DO
GND
TEST
NC
VCC In
In
In
Out
-
-
-
-
Chip Select Signal
Serial Clock
Data Input
Data Output
GND
Test terminal (not used)
N.C.
+5 V
93
KX-P7100