Data bus system for micro controller

Details Data bus system for micro controller Data bus system for micro controller

2006-11-07

2006-11-07

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S306000, C710S311000, C710S104000, C712S033000

Reexamination Certificate

active

07133954

ABSTRACT:
Provided is a data bus system for a micro controller which has an input/output (I/O) unit, a central processing unit (CPU), an internal memory unit, and a peripheral circuitry. The data bus system includes an external access bus used when data is output from the CPU or data is input to the I/O unit or the internal memory unit; an internal access bus used when data is input to the CPU, data is output from the I/O unit or the internal memory unit, or data is input to or output from the peripheral circuitry; and an internal memory test bus used when data is output from the internal memory unit and input to the I/O unit.

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