Zilog
Z86E30/E31/E40
Z8 4K OTP Microcontroller
P21
P22
P23
P24
/DS
NC
R//W
P25
P26
P27
P04
7
P20
P03
P13
P12
GND
GND
P02
P11
P10
P01
P00
1
P30
P36
P37
P35
/RESET
R//RL
/AS
P34
P33
P32
P31
6
1
40
39
44-Pin PLCC
17
18
29
28
Figure 4. 44-Pin PLCC Pin Configuration
Standard Mode
Table 2. 44-Pin PLCC Pin Identification
Pin #
1-2
3-4
5
6-10
11
12
13
14-16
17-19
20-21
22
23-24
25-26
27
28
29-31
32
Symbol
GND
P12-P13
P03
P20-P24
/DS
NC
R//W
P25-P27
P04-P06
P14-P15
P07
VCC
P16-P17
XTAL2
XTAL1
P31-P33
P34
Function
Direction
Pin #
33
34
35
36
37
38
39
40-41
42-43
44
P05
P06
P14
P15
P07
VCC
VCC
P16
P17
XTAL2
XTAL1
Table 2. 44-Pin PLCC Pin Identification
Symbol
/AS
R//RL
/RESET
P35
P37
P36
P30
P00-P01
P10-P11
P02
Function
Address Strobe
ROM/ROMless
select
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
Direction
Output
Input
Input
Output
Output
Output
Input
In/Output
In/Output
In/Output
Ground
Port 1, Pins 2,3 In/Output
Port 0, Pin 3
In/Output
Port 2, Pins
In/Output
0,1,2,3,4
Data Strobe
Output
No Connection
Read/Write
Output
Port 2, Pins 5,6,7In/Output
Port 0, Pins 4,5,6In/Output
Port 1, Pins 4,5 In/Output
Port 0, Pin 7
In/Output
Power Supply
Port 1, Pins 6,7 In/Output
Crystal Oscillator Output
Crystal Oscillator Input
Port 3, Pins 1,2,3Input
Port 3, Pin 4
Output
DS97Z8X0500
PRELIMINARY
5
ZILOG [ ZILOG, INC. ]
