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Pin description – Zilog Z8PE002 User Manual

Page 4

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Z8PE002

Z8Plus OTP Microcontroller

ZiLOG

4

P R E L I M I N A R Y

DS008700-Z8X0799

PIN DESCRIPTION

Figure 3. 18-Pin DIP/SOIC Pin Identification

Table 1. Standard Programming Mode

Pin #

Symbol

Function

Direction

1–5

PB1–PB5

Port B, Pins 1,2,3,4,5

Input/Output

6–9

PA7–PA4

Port A, Pins 7,6,5,4

Input/Output

10–13

PA3–PA0

Port A, Pins 3,2,1,0

Input/Output

14

V

CC

Power Supply

15

V

SS

Ground

16

XTAL2

Crystal Oscillator Clock

Output

17

XTAL1

Crystal Oscillator Clock

Input

18

PB0

Port B, Pin 0

Input/Output

PB1
PB2
PB3
PB4
PB5

PA7
PA6
PA5
PA4

PB0
XTAL1
XTAL2
V

SS

V

CC

PA0
PA1
PA2
PA3

18

18-Pin

DIP/SOIC

1

9

10