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TMPM330 - Keil

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Under development<br />

Table 13-2 Analog Input Channels and Related A/D Conversion Result Registers<br />

Analog input channel<br />

(port A)<br />

Conversion<br />

modes other<br />

than shown<br />

to the right<br />

AN0 ADREG08H/L<br />

AN1 ADREG19H/L<br />

AN2 ADREG2AH/L<br />

AN3 ADREG3BH/L<br />

AN4 ADREG4CH/L<br />

AN5 ADREG5DH/L<br />

AN6 ADREG6EH/L<br />

AN7 ADREG7FH/L<br />

AN8 ADREG08H/L<br />

AN9 ADREG19H/L<br />

AN10 ADREG2AH/L<br />

AN11 ADREG3BH/L<br />

AN12 ADREG4CH/L<br />

13.4.8 Data Polling<br />

Fixed channel repeat<br />

conversion mode<br />

(every one<br />

conversion)<br />

A/D conversion result register<br />

<strong>TMPM330</strong> (rev 0.4) 13-23<br />

Fixed channel repeat<br />

conversion mode<br />

(every four<br />

conversions)<br />

ADREG08H/L fixed ADREG08H/L<br />

ADREG3BH/L<br />

<strong>TMPM330</strong><br />

Fixed channel repeat<br />

conversion mode<br />

(every eight<br />

conversions)<br />

ADREG08H/L<br />

ADREG4CH/L<br />

To process A/D conversion results without using interrupts, ADMOD0<br />

must be polled. If this flag is set, conversion results are stored in a specified<br />

A/D conversion result register. After confirming that this flag is set, read that<br />

conversion result storage register. In reading the register, make sure that you<br />

first read upper bits and then lower bits to detect an overrun. If OVRn is "0" and<br />

ADRnRF is "1" in lower bits, a correct conversion result has been obtained.<br />

Analog/ Digital Converter

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