DM1883B controller equivalent, direct memory access controller.
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 COMPLEME.
...CI)
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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 regist.
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