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參數(shù)資料
| 型號(hào)： | IP82C237 |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | DMA控制器 |
| 英文描述： | CMOS High Performance Programmable DMA Controller |
| 中文描述： | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, PDIP40 |
| 文件頁數(shù)： | 21/25頁 |
| 文件大?。?/td> | 158K |
| 代理商： | IP82C237 |
4-168
82C237
Timing Waveforms
FIGURE 10. SLAVE MODE WRITE
NOTE: Successive WRITE accesses to the 82C237 must allow at least TCY as recovery time between accesses. A TCY recovery time must
be allowed before executing a WRITE access after a READ access.
FIGURE 11. SLAVE MODE READ
NOTE: Successive READ accesses to the 82C237 must allow at least TCY as recovery time between accesses. A TCY recovery time must
be allowed before executing a READ access after a WRITE access.
CS
A0 - A3
IOW
DB0 -DB7
INPUT VALID
INPUT VALID
TWWS
(55)
TDW
(44)
TCWL
(43)
TAWL
(42)
TWC (53)
TWA (52)
TWD (54)
CS
A0 - A3
IOR
DB0 -DB7
ADDRESS MUST BE VALID
TAR
(41)
TRDE
(46)
TRDF
(47)
TRA (45)
TRW
(51)
DATA OUT VALID
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IP82C237-12 | CMOS High Performance Programmable DMA Controller |
| IP82C54-10Z | CMOS Programmable Intervel Timer |
| IP82C54Z | CMOS Programmable Intervel Timer |
| IP82C54-12 | CMOS Programmable Interval Timer |
| IP82C54 | CMOS Programmable Interval Timer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IP82C237-12 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS High Performance Programmable DMA Controller |
| IP82C37A | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| IP82C37A/+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DMA Controller |
| IP82C37A-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IP82C37A-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
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