MD82C237B中文資料Intersil數(shù)據(jù)手冊(cè)PDF規(guī)格書
MD82C237B規(guī)格書詳情
Description
The 82C237 is a modified version of the 82C37A. The 82C237 is fully software and pin for pin compatible with the 82C37A but provides an additional mode for 16-bit DMA transfers, as well as enhanced speed. Each channel may be individually programmed for 8-bit or 16-bit data transfers.
Features
? Fully Compatible with Intersil 82C37A
??? - 82C237 May be Used in 8MHz and 12.5MHz 82C37A Sockets
? Optimized for 10MHz and 12.5MHz 80C286 Systems
? Special Mode Permits 16-Bit, Zero Wait State DMA Transfers
? High Speed Data Transfers:
??? - Up to 6.25MBytes/sec with 12.5MHz Clock in Normal Mode
??? - Up to 12.5MBytes/sec with 12.5MHz Clock in 16-Bit Mode
? Compatible with the NMOS 8237A
? Four Independent Maskable Channels with Autoinitialization Capability
? Cascadable to any Number of Channels
? Memory-to-Memory Transfers
? Static CMOS Design Permits Low Power Operation
??? - ICCSB = 10μA Maximum
??? - ICCOP = 2mA/MHz Maximum
? Fully TTL/CMOS Compatible
? Internal Registers may be Read from Software
產(chǎn)品屬性
- 型號(hào)：
MD82C237B
- 制造商：
INTERSIL
- 制造商全稱：
Intersil Corporation
- 功能描述：
CMOS High Performance Programmable DMA Controller
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|---|---|---|---|---|---|---|---|
24+ |
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500000 |
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645 |
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23+ |
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98 |
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H |
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69 |
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2138+ |
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8960 |
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2021+ |
60000 |
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INTEL/英特爾 |
23+ |
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13000 |
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19+ |
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256800 |
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150 |
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HD |
2016+ |
DIP |
6528 |
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