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8406602QA View Datasheet(PDF) - Intersil

Part Name
Description
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8406602QA Datasheet PDF : 26 Pages
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MODE 2 AND MODE 0 (INPUT)
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
11
0 1 1/0
PC2-PC0
1 = INPUT
0 = OUTPUT
RD
WR
MODE 2 AND MODE 1 (OUTPUT)
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
11
10
RD
WR
82C55A
MODE 2 AND MODE 0 (OUTPUT)
PC3
INTRA
PA7-PA0 8
PC7
OBFA
PC6
ACKA
PC4
STBA
PC5
PC2-PC0
IBFA
3
I/O
PB7-PB0 8
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
11
0 0 1/0
PC2-PC0
1 = INPUT
0 = OUTPUT
RD
WR
MODE 2 AND MODE 1 (INPUT)
PC3
INTRA
PA7-PA0 8
PC7
PC6
PC4
PC5
PB7-PB0
OBFA
ACKA
STBA
IBFA
8
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
11
11
PC1
OBFB
RD
PC2
ACKB
PC0
INTRB
WR
FIGURE 14. MODE 2 COMBINATIONS
PC3
INTRA
PA7-PA0 8
PC7
OBFA
PC6
ACKA
PC4
STBA
PC5
PC2-PC0
IBFA
3
I/O
PB7, PB0 8
PC3
INTRA
PA7-PA0 8
PC7
PC6
PC4
PC5
PB7-PB0
OBFA
ACKA
STBA
IBFA
8
PC2
STBB
PC1
IBFB
PC0
INTRB
12
 

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