Microcomputer communicating analog-to-digital conversion results

Details Microcomputer communicating analog-to-digital conversion results Microcomputer communicating analog-to-digital conversion results

1997-02-25

2000-06-13

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

341155, 712 36, H03M 112

Patent

active

060761229

ABSTRACT:
A microcomputer includes an analog-to-digital (AD) converter which converts analog data into digital data and then stores a plurality of data bits which represent the digital data, a read signal output unit for producing a read signal for identifying the value of the digital data stored in the AD converter, a gate circuit which, in response to the read signal from the read signal output unit, obtains a plurality of data bits at the uppermost or lowermost end of the digital data from the digital data stored in the AD converter, a skip circuit which, in response to the read signal, obtains remaining data bits, other than the plurality of data bits obtained by the gate unit, from the digital data stored in the AD converter and produces a control signal having a second value which differs according to the value of the remaining data bits and a data identifying unit which identifies the value of the digital data on the basis of the plurality of data bits supplied by the gate unit and by the control signal.

REFERENCES:
patent: 3654557 (1972-04-01), Sakamoto et al.
patent: 4309754 (1982-01-01), Dinwiddie, Jr.
patent: 4903028 (1990-02-01), Fukushima
patent: 5394147 (1995-02-01), Miyake
patent: 5583503 (1996-12-01), Kusakabe
patent: 5675337 (1997-10-01), Moriyama
patent: 5686918 (1997-11-01), Uda
patent: 5760721 (1998-06-01), Inoue
"M34520MX-XXXSP/FP User's Manual"; issued Aug., 1993.

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