KX-P7100

7.9.IC11 ( Engine Control CPU )

IC11 (Engine Control CPU)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

UI2

-

(not used)

2

INT27

In

Door open signal

3

AN0

In

Thermistor voltage detect

4

P51

In

TESEN

5

P52

Out

Scanner motor control signal

6

P53

Out

Fan motor control signal

7

P54

Out

Toner Empty LED control

 

 

 

signal

8

P55

Out

Charger control signal

9

P56

Out

Dev. bias channel signal

10

P57

Out

Transfer bias control signal

11

AVCC

-

+5V

12

AVR

-

+5V

13

AVSS

-

GND

14

INT10

In

Hsync signal

15

P61

In

Scanner motor lock signal

16

INT12

In

Top sennsor signal

17

P63

In

Process unit detection signal

18

P64

In

Fan motor error signal

19

nRST

In

System reset

20

MOD0

-

GND

21

MOD1

-

GND

22

X0

In

System clock

23

X1

-

N.C.

24

VSS

-

GND

25

P27

-

(not used)

26

P26

-

(not used)

27

P25

Out

EEPROM data out

28

P24

Out

EEPROM clock

29

P23

Out

EEPROM chip select

30

PPGO2

Out

Scanner motor clock

31

PPGO1

Out

Fuser contorl signal

32

P20

Out

+5V contorl signal

 

 

 

 

Pin

Symbol

In/Out

Function

No.

 

 

 

33

P17

In

EEPROM data in

34

P16

-

(not used)

35

P15

-

N.C.

36

P14

In

Resist seneor signal

37

P13

-

N.C.

38

P12

-

N.C.

39

P11

In

EEPROM initialize signal

40

P10

In

Exit sensor signal

41

P07

Out

Pick up control signal

42

P06

Out

Resist control signal

43

P05

Out

Exit control signal

44

P04

Out

Motor I0 control signal

45

P03

-

N.C.

46

P02

Out

Purge signal

47

P01

Out

Status busy signal

48

P00

Out

Top signal

49

NC

-

GND

50

P30

Out

Printer ready signal

51

SCK1

In

Communication clock

52

SO1

Out

Status data signal

53

SI1

In

Command data signal

54

PTO2

Out

Dev. bias PWM signal

55

P35

In

Print signal

56

VCC

-

+5V

57

WTO

In

Command busy signal

58

PTO1

Out

Transfer bias PWM signal

59

INT20

In

Power save signal

60

P41

Out

Serial clock

61

P42

Out

Serial data out

62

P43

In

Serial data in

63

P44

Out

Chip select

64

P45

Out

Motor I1 control signal

 

 

 

 

7.10. IC12 ( EEPROM )

IC12 (EEPROM)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

CS

In

Chip Select Signal

2

SK

In

Serial Clock

3

DI

In

Data Input

4

DO

Out

Data Output

5

GND

-

GND

6

TEST

-

Test terminal (not used)

7

NC

-

N.C.

8

VCC

-

+5 V

 

 

 

 

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Panasonic KX-P7100 manual IC11 Engine Control CPU, 10. IC12 Eeprom