Z86K18 datasheet(3/24 Pages) ZILOG

Part #	Z86K18

Description	CMOS Z8 8-Bit MCU Keyboard Controllers

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Manufacturer	ZILOG [Zilog, Inc.]

Direct Link	http://www.zilog.com

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Z86K13/K14/K15/K16/K17/K18

Zilog

CMOS Z8® 8-Bit MCU Keyboard Controllers

DS97KEY0204

P R E L I M I N A R Y

3

1

PIN DESCRIPTION

Figure 2. 40-Pin DIP Conﬁguration

P30

P31

P32

P33

*NC

P27

P26

P25

P24

GND

VCC

P00

P01

P02

P03

P04

P05

P06

P07

P23

P22

P21

P20

P37

P36

P35

P34

RCIN/XTAL1

AGND/XTAL2

GND

VCC

P17

P16

P15

P14

P13

P12

P11

P10

40

Z86KXX

DIP

1

20

21

Notes:

*Pin 5 and 6 used for testing Ground during normal operation.

When Pin 5 is connected to V

CC. Pin 6 is CLK OUT.

When Pin 5 is connected to GND, Pin 6 outputs nothing.

These pins must be tied to ground in application.

Table 1. 40-Pin DIP Pin Identiﬁcation

Pin #

Symbol

Function

Direction

1-4

P30-P33

Port 3, Pins 0,1,2,3

Input

5-6

NC

Tied to GND

7-10

P27-P24

Port 2, Pins 7,6,5,4

In/Output

11

GND

Ground

12

V

CC

Power Supply

Input

13-20

P00-P07

Port 0, Pins 0,1,2,3,4,5,6,7

Output

21-28

P10-P17

Port 1, Pins 0,1,2,3,4,5,6,7

Output

29

V

CC

Power Supply

30

GND

Ground

31

AGND/XTAL2

Analog Ground or Crystal Clock Out

32

RCIN/XTAL1

RCIN/Crystal Oscillator Clock

Input

33-36

P34-P37

Port 3, Pins 4,5,6,7

Output

37-40

P20-P23

Port 2, Pins 0,1,2,3

Input

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