Z86E34 ZILOG [Zilog, Inc.], Z86E34 Datasheet - Page 5

• Manufacturer Part Number: Z86E34
• Description: CMOS Z8 OTP Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

Zilog
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
CP97DZ83300
Table 3. 44-Pin QFP Pin Identification
Symbol Function
P05-P06 Port 0, Pins 5,6
P14-P05 Port 1, Pins 4,5
P07
VCC
P16-P17 Port 1, Pins 6,7
XTAL2
XTAL1
P31-P13 Port 3, Pins 1,2,3
P34
/AS
R//RL
/RESET Reset
P35
P37
P36
P30
P00-P01 Port 0, Pins 0,1
P10-P11 Port 1, Pins 0,1
Port 0, Pin 7
Power Supply
Crystal Oscillator
Crystal Oscillator
Port 3, Pin 4
Address Strobe
ROM/ROMless select Input
Port 3, Pin 5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
R//W
P21
P22
P23
P24
P25
P26
P27
P04
/DS
NC
Figure 4. 44-Pin QFP Pin Configuration
Direction
In/Output
In/Output
In/Output
In/Output
Output
Input
Input
Output
Output
Input
Output
Output
Output
Input
In/Output
In/Output
34
44
33
1
P R E L I M I N A R Y
Standard Mode
QFP 44 - Pin
Pin #
27
28-29
30-31
32
33-37
38
39
40
41-43
44
Table 3. 44-Pin QFP Pin Identification
Symbol Function
P02
GND
P12-P13 Port 1, Pins 2,3
P03
P20-4
/DS
NC
R//W
P25-P27 Port 2, Pins 5,6,7
P04
11
23
22
12
P30
P36
P37
P35
/RESET
R//RL
/AS
P34
P33
P32
P31
Port 0, Pin 2
Ground
Port 0, Pin 3
Port 2, Pins 0,1,2,3,4 In/Output
Data Strobe
No Connection
Read/Write
Port 0, Pin 4
CMOS Z8® OTP Microcontrollers
Z86E33/733/E34/E43/743/E44
Direction
In/Output
In/Output
In/Output
Output
Output
In/Output
In/Output
5
1