Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
1
33
23
22
D1
D2
D3
D4
NC
NC
NC
D5
D6
D7
A4
34
/PGM
A10
A11
A9
NC
NC
NC
A8
VPP
EPM
/OE
44 -Pin QFP
12
11
44
1
Figure 8. 44-Pin QFP Pin Configuration
EPROM Programming Mode
Table 6. 44-Pin QFP Pin Identification
EPROM Programming Mode
Table 6. 44-Pin QFP Pin Identification
EPROM Programming Mode
Pin #
Symbol Function
Direction
Pin #
Symbol Function Direction
1-2
3-4
5
A5-A6
NC
Address 5,6
No Connection
Address 7
Input
23-24
25-26
27
A0,A1
NC
Address 0,1
No Connection
Address 2
Input
A7
Input
A2
Input
6-7
V
Power Supply
28-29
30-31
32
GND
NC
Ground
CC
8-10
11
NC
No Connection
Chip Select
No Connection
Address 3
/CE
/OE
EPM
Input
Input
Input
A3
Input
12
Output Enable
33-37
38-40
41-43
44
D0-D4
NC
Data 0,1,2,3,4
No Connection
Data 5,6,7
In/Output
13
EPROM Prog.
Mode
D5-D7
A4
In/Output
Input
14
V
Prog. Voltage
Input
Input
Address 4
PP
15
A8
Address 8
16-18
19
NC
No Connection
Address 9
A9
Input
Input
Input
Input
20
A11
A10
/PGM
Address 11
Address 10
Prog. Mode
21
22
DS97Z8X0500
P R E L I M I N A R Y
9
ZILOG [ ZILOG, INC. ]
