参数资料
型号: IP82C237
厂商: HARRIS SEMICONDUCTOR
元件分类: 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
文件页数: 21/25页
文件大小: 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
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相关代理商/技术参数
参数描述
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IP82C37A 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:
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