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Z86C21 датащи(PDF) 3 Page - Zilog, Inc.

номер детали Z86C21
подробное описание детали  8K ROM Z8 CMOS MICROCONTROLLER
PDF  35 Pages
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производитель  ZILOG [Zilog, Inc.]
домашняя страница  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z86C21 датащи(HTML) 3 Page - Zilog, Inc.

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Z86C21 MCU
WITH
8K ROM
PIN DESCRIPTION
Pin #
Symbol
Function
Direction
1V
CC
Power Supply
Input
2
XTAL2
Crystal, Oscillator Clock
Output
3
XTAL1
Crystal, Oscillator Clock
Input
4
P37
Port 3, Pin 7
Output
5
P30
Port 3, Pin 0
Input
6
/RESET
Reset
Input
7
R//W
Read/Write
Output
8
/DS
Data Strobe
Output
9
/AS
Address Strobe
Output
10
P35
Port 3, Pin 5
Output
Pin #
Symbol
Function
Direction
11
GND
Ground
Input
12
P32
Port 3, Pin 2
Input
13-20
P00-P07
Port 0, Pins 0,1,2,3,4,5,6,7 In/Output
21-28
P10-P17
Port 1, Pins 0,1,2,3,4,5,6,7 In/Output
29
P34
Port 3, Pin 4
Output
30
P33
Port 3, Pin 3
Input
31-38
P20-P27
Port 2, Pins 0,1,2,3,4,5,6,7 In/Output
39
P31
Port 3, Pin 1
Input
40
P36
Port 3, Pin 6
Output
Table 1. 40-Pin DIP Pin Identification
1
2
9
3
4
5
6
7
8
40
39
38
37
36
35
34
33
32
P36
P31
P21
P27
P26
P25
P24
P23
P22
VCC
XTAL2
P37
P30
/RESET
R//W
/DS
31
30
29
28
27
14
10
11
12
13
XTAL1
GND
P32
P00
P01
P20
P33
P34
P17
P16
Z86C21
DIP
15
26
25
24
23
22
21
20
16
17
18
19
/AS
P35
P02
P03
P06
P07
P05
P04
P13
P15
P14
P12
P11
P10
Figure 2. 40-Pin DIP Pin Assignments



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