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參數(shù)資料
| 型號： | 82C55A |
| 廠商： | Harris Corporation |
| 英文描述： | CMOS Programmable Peripheral Interface |
| 中文描述： | CMOS可編程外設(shè)接口 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 234K |
| 代理商： | 82C55A |
11
FIGURE 11. MODE CONTROL WORD
FIGURE 12. MODE 2
NOTE: Any sequence where WR occurs before ACK and STB occurs before RD is permissible. (INTR = IBF
MASK
STB
RD
÷
OBF
MASK
ACK
WR)
FIGURE 13. MODE 2 (BI-DIRECTIONAL)
1
D7 D6 D5 D4 D3 D2 D1 D0
CONTROL WORD
1/0 1/0
1
1/0
PC2-PC0
1 = INPUT
0 = OUTPUT
PORT B
1 = INPUT
0 = OUTPUT
GROUP B MODE
0 = MODE 0
1 = MODE 1
PC7
OBFA
PC6
INTE
1
PA7-PA0
ACKA
IBFA
PC4
WR
INTE
2
RD
PC3
PC5
PC2-PC0
8
STBA
3
I/O
INTRA
tWOB
tAOB
tAK
tAD
tKD
tPH
tPS
tSIB
tST
OBF
WR
INTR
ACK
IBF
STB
PERIPHERAL
BUS
RD
tRIB
DATA FROM
PERIPHERAL TO 82C55A
DATA FROM
82C55A TO PERIPHERAL
DATA FROM
82C55A TO CPU
DATA FROM
CPU TO 82C55A
82C55A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 82C55A_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS Programmable Peripheral Interface |
| 82C56 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:VOLTAGE DETECTORS |
| 82C566 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Data Path Controller |
| 82C567 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:System Controller |
| 82C568 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral (Multifunction) Controller |
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