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FR60 MB91460E Series - Microcontrollers - Fujitsu

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3. Block Diagram of A/D Converter<br />

The following figure shows block diagram of A/D converter.<br />

AN0<br />

AN1<br />

AN2<br />

AN3<br />

AN4<br />

AN5<br />

AN6<br />

AN7<br />

AN8<br />

AN9<br />

AN10<br />

AN11<br />

AN12<br />

AN13<br />

AN14<br />

AN15<br />

AN16<br />

AN17<br />

AN18<br />

AN19<br />

AN20<br />

AN21<br />

AN22<br />

AN23<br />

AN24<br />

AN25<br />

AN26<br />

AN27<br />

AN28<br />

AN29<br />

AN30<br />

AN31<br />

MPX<br />

Input Circuit<br />

ATGX<br />

16- bit<br />

Reload Timer<br />

CLKP<br />

Sample & Hold<br />

circuit<br />

Decoder<br />

Comparator<br />

ADC<br />

Range<br />

Comparator<br />

4 digital<br />

comparators<br />

with upper<br />

and lower<br />

threshold<br />

32 * 2 flags<br />

(2 flags per<br />

ADC channel)<br />

AVCC AVRH AVRL AVSS<br />

D/A converter<br />

Sequential<br />

comparison register<br />

<strong>MB91460E</strong> <strong>Series</strong><br />

A/D data register<br />

A/D control register 2<br />

A/D control register 0<br />

A/D control register 1<br />

Prescaler<br />

32<br />

A/D channel<br />

data registers<br />

ADCD00<br />

to<br />

ADCD31<br />

RCO Flags<br />

RCO INT<br />

ADC S 0/1<br />

Operating<br />

Clock<br />

DS705-00002-1v3-E 29<br />

INT2<br />

INT<br />

R - Bus

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