Description
The SAB 82258A is an advanced general-purpose fourchannel DMA controller tailored for efficient high speed data transfer between peripheral devices and memories..
Features
- 16-bit DMA controller for 16-bit family processors.
- SAB 80286.
- SAB 80186 188.
- SAB 8086/88.
- 4 independent high-speed DMA channels.
- 16 Mbyte addressing range.
- 16 Mbyte maximum block length.
- Memory based communication with CPU.
- “On-the fly” compare, translate and verify operations.
- Transfer rates up to 10 Mbyte/s.
- 32-bit-fly-by transfers with up to 20 Mbyte/s (10-MHz system).
- Single cycle an.
