Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
PIN IDENTIFICATION
Table 1. 40-Pin DIP Pin Identification
Standard Mode
1
R//W
P25
P26
P27
P04
P05
P06
P14
P15
40
/DS
Pin #
Symbol
R//W
Function
Read/Write
Direction
Output
P24
P23
P22
P21
P20
P03
P13
P12
GND
P02
P11
P10
P01
P00
P30
P36
P37
P35
/RESET
1
2-4
5-7
8-9
10
P25-P27
P04-P06
P14-P15
P07
Port 2, Pins 5,6,7 In/Output
Port 0, Pins 4,5,6 In/Output
Port 1, Pins 4,5 In/Output
Port 0, Pin 7
In/Output
11
V
Power Supply
CC
40-Pin DIP
P07
VCC
P16
12-13 P16-P17
Port 1, Pins 6,7 In/Output
Crystal Oscillator Output
Crystal Oscillator Input
Port 3, Pins 1,2,3 Input
14
15
XTAL2
XTAL1
P17
16-18 P31-P33
XTAL2
XTAL1
P31
19
20
21
22
23
24
25
P34
Port 3, Pin 4
Output
/AS
Address Strobe Output
P32
P33
P34
/AS
/RESET
P35
Reset
Input
Port 3, Pin 5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
Output
Output
Output
Input
P37
20
21
P36
P30
Figure 3. 40-Pin DIP Pin Configuration*
Standard Mode
26-27 P00-P01
28-29 P10-P11
Port 0, Pins 0,1 In/Output
Port 1, Pins 0,1 In/Output
30
31
P02
Port 0, Pin 2
Ground
In/Output
GND
32-33 P12-P13
34 P03
35-39 P20-P24
Port 1, Pins 2,3 In/Output
Port 0, Pin 3
In/Output
In/Output
Port 2, Pins
0,1,2,3,4
40
/DS
Data Strobe
Output
Notes:
*Pin Configuration and Identification identical on DIP
and Cerdip Window Lid style packages.
4
P R E L I M I N A R Y
DS97Z8X0500
ZILOG [ ZILOG, INC. ]
