Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
P25
P26
P27
P04
P05
P06
P07
VCC
XTAL2
XTAL1
P31
P32
P33
P34
1
28
28-Pin DIP
14
15
P24
P23
P22
P21
P20
P03
VSS
P02
P01
P00
P30
P36
P37
P35
D5
D6
D7
A4
A5
A6
A7
VCC
NC
/CE
/OE
EPM
VPP
A8
1
28
28-Pin DIP
14
15
D4
D3
D2
D1
D0
A3
VSS
A2
A1
A0
/PGM
A10
A11
A9
Figure 9. Standard Mode
28-Pin DIP/SOIC Pin Configuration*
Figure 10. EPROM Programming Mode
28-Pin DIP/SOIC Pin Configuration*
Table 7. 28-Pin DIP/SOIC/PLCC
Pin Identification*
Pin #
1-3
4-7
8
9
10
11-13
14-15
16
17
18
19-21
22
23
24-28
Symbol
P25-P27
P04-P07
V
CC
XTAL2
XTAL1
P31-P33
P34-P35
P37
P36
P30
P00-P02
V
SS
P03
P20-P24
Function
Direction
P04
P27
P26
P25
P24
P23
P22
4
XXX
P05
XXX
P06
XXX
P07
VCC
XXX
XXX
XT2
XXX
XT1
XXX
P31
5
1
26
25
Port 2, Pins 5,6,
In/Output
Port 0, Pins 4,5,6,7 In/Output
Power Supply
Crystal Oscillator
Crystal Oscillator
Port 3, Pins 1,2,3
Port 3, Pins 4,5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
Port 0, Pins 0,1,2
Ground
Port 0, Pin 3
Port 2, Pins
0,1,2,3,4
Output
Input
Input
Output
Output
Output
Input
In/Output
In/Output
In/Output
28-Pin PLCC
11
12
19
18
P21
XXX
P20
XXX
P03
XXX
VSS
XXX
P02
XXX
P01
XXX
P00
XXX
Notes:
*Pin Identification and Configuration identical on DIP and
Cerdip Window Lid style packages.
Figure 11. Standard Mode
28-Pin PLCC Pin Configuration
10
PRELIMINARY
P32
P33
P34
P35
P37
P36
P30
DS97Z8X0500
ZILOG [ ZILOG, INC. ]
