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83C51KB データシートの表示(PDF) - Intel

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83C51KB Datasheet PDF : 19 Pages
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83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER
5.0 SIGNAL DESCRIPTION
Table 4. 40-pin DIP Signals Arranged by Name
Keyboard
Keyboard
Name
Pin
Name
Pin
P0.7/KSO7/AD7
32
P 1.0/KSI0
1
P0.6/KSO6/AD6
33
P1.1/KSI1
2
P0.5/KSO5/AD5
34
P1.2/KSI2
3
P0.4/KSO4/AD4
35
P1.3/KSI3
4
P0.3/KSO3/AD3
36
P1.4/KSI4
5
P0.2/KSO2/AD2
37
P1.5/KSI5
6
P0.1/KSO1/AD1
38
P1.6/KSI6
7
P0.0/KSO0/AD0
39
P1.7/KSI7
8
P2.7/KSO15/A15
28
P3.0/DATA
10
P2.6/KSO14/A14
27
P3.1
11
P2.5/KSO13/A13
26
P3.2/CLK0/INT0#
12
P2.4/KSO12/A12
25
P3.3/CLK1/INT1#
13
P2.3/KSO11/A11
24
P3.4/LED0/T0
14
P2.2KSO10/A10
23
P3.5/LED1
15
P2.1/KSO9/A9
22
P3.6/LED2/WR#
16
P2.0/KSO8/A8
21
P3.7/LED3/RD#
17
Chip Control
Name
Pin
RCIN
19
RST
9
ALE
30
PSEN#
29
EA#
31
Power & Ground
Name
Pin
VCC
40
VSS
20
6

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