4

Z86C15

CP96KEY0603

PIN IDENTIFICATION (Continued)

44-Pin PLCC Pin Assignments

Pin #

Symbol

Function

Direction

14-16

P00-P02

Port 0, Pins 0, 1, 2

In/Output

1 7

N/C

Not Connected

18-22

P03-P07

Port 0, Pins 3, 4, 5, 6, 7

In/Output

23-27

P10-P14

Port 1, Pins 0, 1, 2, 3, 4

In/Output

2 8

N/C

Not Connected

29-31

P15-P17

Port 1, Pins 5, 6, 7

In/Output

3 2

P34

Port 3, Pin 4

Output

3 3

P33

Port 3, Pin 3

Input

34-38

P20-P24

Port 2, Pins 0, 1, 2, 3, 4

In/Output

3 9

N/C

Not Connected

40-42

P25-P27

Port 2, Pins 5, 6, 7

In/Output

4 3

P31

Port 3, Pin 1

Input

4 4

P36

Port 3, Pin 6

Output

Pin #

Symbol

Function

Direction

1V

CC

Power Supply

Input

2

CLKOUT

Z8 System Clock

Output

3

RCIN

RC Oscillator Clock

Input

4

P37

Port 3, Pin 7

Output

5

P30

Port 3, Pin 0

Input

6

N/C

Not Connected

7

/RESET

Reset

Input

8

AGND

Analog Ground

*9

N/C

Not Connected

1 0

/WDTOUT Watch-Dog Timer

Output

1 1

P35

Port 3, Pin 5

Output

1 2

GND

Ground

1 3

P32

Port 3, Pin 2

Input

44-Pin PLCC Pin Identification

N/C

P24

P23

P22

P21

P20

P33

P34

P17

P16

P15

/RESET

AGND

*N/C

/WDTOUT

P35

GND

P32

P00

P01

P02

N/C

7

8

9

10

11

12

13

14

15

16

17

38

37

36

35

34

33

32

31

30

29

39

Z86C15

PLCC

6

5432

1

44 43 42 41 40

18 19 20 21 22 23 24 25 26 27 28

*Note: Pin 9 is connected to the chip, although it is used

only for testing. This pin must float.