Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
1
6
1
40
39
7
P21
P22
P23
P24
/DS
NC
R//W
P25
P26
P27
P04
P30
P36
P37
P35
/RESET
R//RL
/AS
P34
P33
44-Pin PLCC
P32
P31
17
29
28
18
Figure 4. 44-Pin PLCC Pin Configuration
Standard Mode
Table 2. 44-Pin PLCC Pin Identification
Table 2. 44-Pin PLCC Pin Identification
Pin #
Symbol
Function
Direction
Pin #
Symbol
Function
Direction
1-2
3-4
5
GND
Ground
33
34
/AS
Address Strobe Output
P12-P13
P03
Port 1, Pins 2,3 In/Output
R//RL
ROM/ROMless Input
select
Port 0, Pin 3
In/Output
In/Output
6-10
P20-P24
Port 2, Pins
0,1,2,3,4
35
36
37
38
39
/RESET
P35
Reset
Input
Port 3, Pin 5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
Output
Output
Output
Input
11
12
13
/DS
NC
Data Strobe
No Connection
Read/Write
Output
P37
P36
R//W
Output
P30
14-16 P25-P27
17-19 P04-P06
20-21 P14-P15
Port 2, Pins 5,6,7In/Output
Port 0, Pins 4,5,6In/Output
Port 1, Pins 4,5 In/Output
40-41 P00-P01
42-43 P10-P11
Port 0, Pins 0,1 In/Output
Port 1, Pins 0,1 In/Output
44
P02
Port 0, Pin 2
In/Output
22
P07
Port 0, Pin 7
In/Output
23-24 VCC
Power Supply
25-26 P16-P17
Port 1, Pins 6,7 In/Output
Crystal OscillatorOutput
Crystal OscillatorInput
Port 3, Pins 1,2,3Input
27
28
XTAL2
XTAL1
29-31 P31-P33
32 P34
Port 3, Pin 4
Output
DS97Z8X0500
P R E L I M I N A R Y
5
ZILOG [ ZILOG, INC. ]
