Microcomputer

Details Microcomputer Microcomputer

1996-11-26

1998-05-26

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

H03M 112

Patent

active

057573026

ABSTRACT:
According to the microcomputer of the invention, a free running oscillator can supply the A-D converter with a higher frequency clock signal even while a lower speed clock signal from a second clock signal generating circuit is used as the internal system clock signal. This solves the problem associated with conventional A-D converters that, when executing an A-D conversion, the mode of operation is changed once to a high-speed operation mode in which the conversion can be performed accurately, and after the conversion has been executed, the mode is returned to a low power consumption mode which places an exception load on the software.

REFERENCES:
patent: 5133418 (1992-07-01), Gibson et al.
Mitsubishi Single-Chip Microcomputer User's Manual 3825 Group. Mitsubishi Electric Corporation, Sep. 1994.

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