SAB82C258A-12-N
Description
The SAB 82258A is an advanced general-purpose fourchannel DMA controller tailored for efficient high speed data transfer between peripheral devices and memories.
Key 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 munication with CPU
- Transfer rates up to 10 Mbyte/s
- 32-bit-fly-by transfers with up to 20 Mbyte/s (10-MHz system)
- Single cycle and two cycle transfer
- Automatic chaining of mand blocks
- Variable chaining of data blocks
