z86e31 ZiLOG Semiconductor, z86e31 Datasheet - Page 4

• Manufacturer Part Number: z86e31
• Description: Z8 4k Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

Z86E30/E31/E40
Z8 4K OTP Microcontroller
PIN IDENTIFICATION
4
Figure 3. 40-Pin DIP Pin Configuration
XTAL2
XTAL1
R/W
P25
P26
P27
P04
P05
P06
P14
P15
P07
V
P16
P17
P31
P32
P33
P34
AS
CC
1
20
Standard Mode
40-Pin DIP
40
21
DS
P24
P23
P22
P21
P20
P03
P13
P12
GND
P02
P11
P10
P01
P00
P30
P36
P37
P35
RESET
P R E L I M I N A R Y
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
Table 1. 40-Pin DIP Pin Identification
Symbol
R/W
P25–P27
P04–P06
P14–P15
P07
V
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
CC
Standard Mode
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 In/Output
Data Strobe
DS97Z8X0502
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
Output
Zilog