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6523 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Commodore - TRI-PORT INTERFACE

شماره قطعه 6523
شرح مفصل TRI-PORT INTERFACE
تولید کننده Commodore 
آرم Commodore 





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6523 شرح
,..,commodore
~ aemlcanduct:or group
~~@©
MPS
6523
TRI-PORT
INTERFACE
6523 TRI-PORT INTERFACE
CONCEPT ...
The 6523 TRI-PORT Interface (TPI) is designed to simplitythe implementation of complex I/O operations in
microcomputer systems. It has three dedicated 8-bit I/O ports which provide 24 individually programmable I/O
lines.
FEATURES:
• 24 individually programmable I/O lines
• Completely static operation
• Two TIL Drive Capability
• 6 directly addressable registers
• 1 MHz, 2M Hz and 3MHz operation
6523 REGISTERS
*000
001
010
011
100
101
11 0
111
RO PRA - Port Register A
R1 PRB - Port Register B
R2 PRC - Port Register C
R3 DDRA- Data Direction Register A
R4 DDRB - Data Direction Register B
R5 DDRC - Data Direction Register
Illegal States
Illegal States
*NOTE: RS2, RS1, RSO respectively
ORDER NUMBER:
MXS6523 -r-
'-- SPEED RANGE
=NO SUFFIX 450 ns
A =225 ns
8 = 165 ns
l _ _ _ _ _ PACKAGE DESIGNATOR
C=CERAMIC
P=PLASTIC
2-66
6523 PIN CONFIGURATION
Vss
PAO
PA1
PA2
PA3
PA4
PAS
PA6
PA7
P80
P81
P82
P83
P84
P85
P86
P87
CS
R/W
voo
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 087
39 086
38 085
37 084
36 083
35 082
34 081
33 080
32 PC7
31 PC6
30 PC5
29 PC4
28 PC3
27 PC2
26 PC1
25 PCO
24 RSO
23 RS1
22 RS2
21 REs

قانون اساسیصفحه 7
دانلود [ 6523 دیتاشیت ]




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