DM1883A Datasheet (Western Digital) - Direct Memory Access Controller

DM1883A, Direct Memory Access Controller

CI) en IiiThe DM1BB3 Direct Memory Access Controller g(DMAC) is packaged in a 40 pin standard dual in- ::::l line package.

The chip requires a single +5 power «supply input and a single clock input.

The device contains B CPU addressable registers, and allows for up to 8 CPU addressable device r

DM1883A Features

* o AUTOMATIC DAISY CHAINING OF BUS AND INTERRUPT ACKNOWLEDGE SIGNALS o AUTO LOAD OPTION

* SINGLE +5 VDC POWER SUPPLY o B BIT BI-DIRECTIONAL DATA BUS o TRUE OR COMPLEMENT DATA BUS

* B CPU ADDRESSABLE DMAC REGISTERS

* B CPU ADDRESSABLE DEVICE REGISTERS

* AUTOMATIC GENERA