About this document
Overview of 8237 DMA Controller by Mimansha Sharma is a document available to read on EtoBox.
The document discusses the 8237 DMA controller, which is a four-channel device compatible with 8086/8088 microprocessors. It transfers data between memory and I/O at rates up to 1.6MB/second. Each channel can address 64KB of memory and transfer up to 64KB with one programming. The document describes the internal registers that control address, count, commands, and status, and software commands to clear flip-flops, reset, and clear mask registers.
- Author
- Mimansha Sharma
- Language
- EN