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