UM8237A
UM8237A is Programmable DMA Controller manufactured by UMC.
eUMC
UM8237A/ 8237A-4/ 8237A-5
Programmable DMA Controller (DMAC)
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: transfers up to 1.6M bytes/second with 5MHz 8237A-5
- Directly expandable to any number of channels
- End of process input for terminating transfers
- Software DMA requests
- Independent Polarity control for DREQ and DACK signals
- Available in EXPRESS
- Standard Temperature Range
General Description
The UM8237A Direct Memory Access Controller (DMAC) is a peripheral interface...