Z86E33/733/E34/E43/743/E44

Zilog

CMOS Z8® OTP Microcontrollers

CP97DZ83300

P R E L I M I N A R Y

3

1

PIN IDENTIFICATION

Figure 2. 40-Pin DIP Pin Configuration

Standard Mode

R//W

P25

P26

P27

P04

P05

P06

P14

P15

P07

VCC

P16

P17

XTAL2

XTAL1

P31

P32

P33

P34

/AS

/DS

P24

P23

P22

P21

P20

P03

P13

P12

GND

P02

P11

P10

P01

P00

P30

P36

P37

P35

/RESET

40

DIP

1

20

21

Table 1. 40-Pin DIP Pin Identification

Standard Mode

Pin #

Symbol

Function

Direction

1

R//W

Read/Write

Output

2-4

P25-P27

Port 2, Pins 5,6,7 In/Output

5-7

P04-P06

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

8-9

P14-P15

Port 1, Pins 4,5

In/Output

10

P07

Port 0, Pin 7

In/Output

11

Power Supply

12-13

P16-P17

Port 1, Pins 6,7

In/Output

14

XTAL2

Crystal Oscillator Output

15

XTAL1

Crystal Oscillator Input

16-18

P31-P33

Port 3, Pins 1,2,3 Input

19

P34

Port 3, Pin 4

Output

20

/AS

Address Strobe

Output

21

/RESET

Reset

Input

22

P35

Port 3, Pin 5

Output

23

P37

Port 3, Pin 7

Output

24

P36

Port 3, Pin 6

Output

25

P30

Port 3, Pin 0

Input

26-27

P00-P01

Port 0, Pins 0,1

In/Output

28-29

P10-P11

Port 1, Pins 0,1

In/Output

30

P02

Port 0, Pin 2

In/Output

31

GND

Ground

32-33

P12-P13

Port 1, Pins 2,3

In/Output

34

P03

Port 0, Pin 3

In/Output

35-39

P20-P24

Port 2, Pins

0,1,2,3,4

In/Output

40

DS

Data Strobe

Output

Notes:

Pin Configuration and Identification identical on DIP

and Cerdip Window Lid style packages.