UM8237A Datasheet (UMC) - Programmable DMA Controller

UM8237A, 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 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