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