Microcontroller having register direct and register indirect add

Details Microcontroller having register direct and register indirect add Microcontroller having register direct and register indirect add

1997-01-16

2000-03-14

Cabeca, John W.

Electrical computers and digital processing systems: processing

Processing architecture

Microprocessor or multichip or multimodule processor having...

711 5, 711214, G06F 935

Patent

active

06038655&

ABSTRACT:
A microprocessor on-board RAM provides both the usual random access by addressing and a subset of memory cells with their contents continually available on a secondary bus paralleling the data bus. This secondary bus may be used for register indirect addressing without a separate register read when the RAM subset includes the registers for register indirect addressing. The processor also has a two stage output driver for limiting maximum output current and feedback-controlled clock period partitioning.

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