Single chip communication data processor with direct memory acce

Details Single chip communication data processor with direct memory acce Single chip communication data processor with direct memory acce

1990-01-16

1992-05-05

Lee, Thomas C.

Boots, shoes, and leggings

364DIG1, 364DIG2, 3649236, 3649261, 3649269, 36492692, 36492792, 36492793, 36492794, 3649328, 364933, 3649332, 3649333, 3649334, 36493362, 364939, 3649395, 364239, 3642397, 3642423, 36424231, 364247, 3642472, 3642474, 3642478, 3642624, 3642629, 364251, 3642604, G06F 1328, G06F 1312

Patent

active

051114259

ABSTRACT:
Disclosed is a DMA controller incorporated in a data processor, comprising a plurality of channels and a control circuit for overseeing these channels. Each of these channels has registers for storing transfer parameters (address and byte count), registers for storing control parameters (status and command), data assembler circuit, and a channel control circuit that controls these registers and data assembler circuits. The channel control circuit in each channel simultaneously processes transfer parameters for an increased data transmission rate and a reduction of the internal processing unit work load.

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patent: 4716523 (1987-12-01), Burrus, Jr. et al.
patent: 4782439 (1988-11-01), Borkar et al.
patent: 4878166 (1989-10-01), Johnson et al.

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