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Z86743 Datasheet(PDF) 5 Page - Zilog, Inc.

Part # Z86743
Description  CMOS Z8 OTP Microcontrollers
PDF  10 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z86743 Datasheet(HTML) 5 Page - Zilog, Inc.

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Z86E33/733/E34/E43/743/E44
Zilog
CMOS Z8® OTP Microcontrollers
CP97DZ83300
P R E L I M I N A R Y
5
1
Figure 4. 44-Pin QFP Pin Configuration
Standard Mode
34
44
P21
P22
P23
P24
/DS
NC
R//W
P25
P26
P27
P04
P30
P36
P37
P35
/RESET
R//RL
/AS
P34
P33
P32
P31
1
23
33
QFP 44 - Pin
11
22
12
Table 3. 44-Pin QFP Pin Identification
Pin #
Symbol Function
Direction
1-2
P05-P06 Port 0, Pins 5,6
In/Output
3-4
P14-P05 Port 1, Pins 4,5
In/Output
5
P07
Port 0, Pin 7
In/Output
6-7
VCC
Power Supply
8-9
P16-P17 Port 1, Pins 6,7
In/Output
10
XTAL2
Crystal Oscillator
Output
11
XTAL1
Crystal Oscillator
Input
12-14
P31-P13 Port 3, Pins 1,2,3
Input
15
P34
Port 3, Pin 4
Output
16
/AS
Address Strobe
Output
17
R//RL
ROM/ROMless select Input
18
/RESET Reset
Input
19
P35
Port 3, Pin 5
Output
20
P37
Port 3, Pin 7
Output
21
P36
Port 3, Pin 6
Output
22
P30
Port 3, Pin 0
Input
23-24
P00-P01 Port 0, Pins 0,1
In/Output
25-26
P10-P11 Port 1, Pins 0,1
In/Output
27
P02
Port 0, Pin 2
In/Output
28-29
GND
Ground
30-31
P12-P13 Port 1, Pins 2,3
In/Output
32
P03
Port 0, Pin 3
In/Output
33-37
P20-4
Port 2, Pins 0,1,2,3,4 In/Output
38
/DS
Data Strobe
Output
39
NC
No Connection
40
R//W
Read/Write
Output
41-43
P25-P27 Port 2, Pins 5,6,7
In/Output
44
P04
Port 0, Pin 4
In/Output
Table 3. 44-Pin QFP Pin Identification
Pin #
Symbol Function
Direction



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