DMA Controller 8257 — Study Resources & PYQs
DMA controller-8257
- Estimated study time: 150 minutes
Study resources
- DMA Architecture & Operation (Article) — Covers DMA principles, 8257 internal architecture, DMA channels, DREQ/DACK signals, DMA request–acknowledge cycle, and how it bypasses the CPU for high-speed data transfer.
- Interfacing of 8257 with 8085 (Article) — Explains how the 8257 DMA controller is interfaced with the 8085, including memory-mapped and I/O-mapped configurations.
Taught in these subjects
- Microprocessors and Interfacing — ECT-1502 · Government College of Engineering and Technology, Jammu