UM8237A-4 - Programmable DMA Controller
The UM8237A Direct Memory Access Controller (DMAC) is a peripheral interface circuit for microprocessor systems.
It is designed to improve system performance by allowing external devices to directly transfer information from the system memory.
Memory-tb-memory' transfer capability is also provided.
UM8237A-4 Features
* Enable/Disable control of individual DMA requests
* Four independent DMA channels
* Independent autoinitialization of all channels
* Memory-to-memory transfers
* Memory block initialization
* Single 5V power supply
* High performance: transfe
