Z86E33/733/E34/E43/743/E44

CMOS Z8® OTP Microcontrollers

Zilog

6

P R E L I M I N A R Y

CP97DZ83300

Figure 5. Standard Mode

28-Pin DIP/SOIC Pin Configuration

Table 4. 28-Pin DIP/SOIC/PLCC

Pin Identification

Pin #

Symbol

Function

Direction

1-3

P25-P27

Port 2, Pins 5,6,7

In/Output

4-7

P04-P07

Port 0, Pins 4,5,6,7 In/Output

Power Supply

9

XTAL2

Crystal Oscillator

Output

10

XTAL1

Crystal Oscillator

Input

11-13

P31-P33

Port 3, Pins 1,2,3

Input

14-15

P34-P35

Port 3, Pins 4,5

Output

16

P37

Port 3, Pin 7

Output

17

P36

Port 3, Pin 6

Output

18

P30

Port 3, Pin 0

Input

19-21

P00-P02

Port 0, Pins 0,1,2

In/Output

22

Ground

23

P03

Port 0, Pin 3

In/Output

24-28

P20-P24

Port 2, Pins

0,1,2,3,4

In/Output

Notes:

Pin Identification and Configuration identical on DIP and

Cerdip Window Lid style packages.

P25

P26

P27

P04

P05

P06

P07

VCC

XTAL2

XTAL1

P31

P32

P33

P34

P24

P23

P22

P21

P20

P03

VSS

P02

P01

P00

P30

P36

P37

P35

15

DIP 28 - Pin

1

14

28

Figure 6. Standard Mode

28-Pin PLCC Pin Configuration

25

19

5

11

18

12

26

4

PLCC 28 - Pin

1

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

XXX

P21

P20

P03

VSS

P02

P01

P00

P05

P06

P07

VCC

XT2

XT1

P31