Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
33
P21
P22
P23
P24
/DS
NC
R//W
P25
P26
P27
P04
34
P20
P03
P13
P12
GND
GND
P02
P11
P10
P01
P00
23
22
44-Pin QFP
44
1
12
11
P30
P36
P37
P35
/RESET
R//RL
/AS
P34
P33
P32
P31
Figure 5. 44-Pin QFP Pin Configuration
Standard Mode
Table 3. 44-Pin QFP Pin Identification
Pin #
1-2
3-4
5
6-7
8-9
10
11
12-14
15
16
17
18
19
20
21
22
23-24
25-26
Symbol Function
P05-P06
P14-P15
P07
VCC
P16-P17
XTAL2
XTAL1
P31-P13
P34
/AS
R//RL
/RESET
P35
P37
P36
P30
P00-P01
P10-P11
Port 0, Pins 5,6
Port 1, Pins 4,5
Port 0, Pin 7
Power Supply
Port 1, Pins 6,7
Crystal Oscillator
Crystal Oscillator
Port 3, Pins 1,2,3
Port 3, Pin 4
Address Strobe
ROM/ROMless select
Reset
Port 3, Pin 5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
Port 0, Pin 0,1
Port 1, Pins 0,1
Direction
In/Output
In/Output
In/Output
In/Output
Output
Input
Input
Output
Output
Input
Input
Output
Output
Output
Input
In/Output
In/Output
Pin #
27
28-29
30-31
32
33-37
38
39
40
41-43
44
P05
P06
P14
P15
P07
VCC
VCC
P16
P17
XTAL2
XTAL1
Table 3. 44-Pin QFP Pin Identification
Symbol Function
P02
GND
P12-P13
P03
P20-4
/DS
NC
R//W
P25-P27
P04
Port 0, Pin 2
Ground
Port 1, Pins 2,3
Port 0, Pin 3
Port 2, Pins 0,1,2,3,4
Data Strobe
No Connection
Read/Write
Port 2, Pins 5,6,7
Port 0, Pin 4
Direction
In/Output
In/Output
In/Output
In/Output
Output
Output
In/Output
In/Output
6
PRELIMINARY
DS97Z8X0500
ZILOG [ ZILOG, INC. ]
