INS8257 Overview
The INS8257 is a Direct Memory Access (DMA) con· troller contained in a standard 40·pin dual·in·line The channel control registers consist of four 16·bit DMA address registers and four 16·bit terminal count 3 3 package. The chip, which is fabricated using (TC) registers. These registers provide the means for S» N·channel silicon gate technology, performs direct con·trolling DMA transfers on their respective C"...
INS8257 Key Features
- Four-Channel DMA Controller
- Priority DMA Request Logic
- Channel Inhibit Logic
- Terminal Count and Modulo 128 Outputs
- Auto Load Mode
- Single TTL Clock
- Single + 5V Supply
- Expandable
- MICROBUSTM- patible
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