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參數(shù)資料
| 型號： | IMS82C55AZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS Programmable Peripheral Interface |
| 中文描述： | 24 I/O, PIA-GENERAL PURPOSE, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44 |
| 文件頁數(shù)： | 13/24頁 |
| 文件大?。?/td> | 502K |
| 代理商： | IMS82C55AZ |
13
FN6140.1
June 28, 2005
MODE 2 AND MODE 1 (OUTPUT)
MODE 2 AND MODE 1 (INPUT)
MODE DEFINITION SUMMARY
MODE 0
MODE 1
MODE 2
IN
OUT
IN
OUT
GROUP A ONLY
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
INTRB
IBFB
STBB
INTRA
STBA
IBFA
I/O
I/O
INTRB
OBFB
ACKB
INTRA
I/O
I/O
ACKA
OBFA
I/O
I/O
I/O
INTRA
STBA
IBFA
ACKA
OBFA
FIGURE 14. MODE 2 COMBINATIONS (Continued)
1
D7
1
D6 D5 D4 D3 D2 D1 D0
CONTROL WORD
PC7
8
STBA
PA7-PA0
OBFA
IBFA
PC5
RD
ACKA
PC6
INTRA
PC3
PC4
PB7-PB0
1
0
8
WR
PC1
OBFB
ACKB
PC2
PC0
INTRB
1
D7
1
D6 D5 D4 D3 D2 D1 D0
CONTROL WORD
PC7
8
STBA
PA7-PA0
OBFA
IBFA
PC5
RD
ACKA
PC6
INTRA
PC3
PC4
PB7-PB0
1
1
8
WR
PC2
STBB
PC1
PC0
INTRB
IBFB
Mode 0
or Mode 1
Only
MS82C55A, MQ82C55A
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