Description
www.DataSheet4U.com Advanced DMA Controller for 16-Bit Microcomputer Sytems (ADMA) SAB 82C257 SAB 82C258A General .
The SAB 82258A is an advanced general-purpose fourchannel DMA controller tailored for efficient high speed data transfer between peripheral devices an.
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
Applications
* using the remote mode. The SAB 82258A is unique among DMA controllers providing complete direct interfacing to the SAB 80286 as well as to SAB 80186/188/86/88 bus. Its four superfast DMA channels transfer rate up to 10 Mbytes per second are possible. If the maximum transfer rate reaches as much as 2