Fujitsu F2MC-16LX Hardware Manual page 376

Mb90470 series 16-bit microcontroller

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CHAPTER 19 8/10-BIT A/D CONVERTER

[Bits 5, 4, 3] ANS2, ANS1, ANS0: ANalog Start channel set

Set a start channel for A/D conversion using these bits.

At the startup of the A/D converter, A/D conversion starts with the channel selected by these

During read out

These bits are used for reading conversion channels during A/D conversion.

When conversion stops in stop mode, the previous conversion channels will be read out.

These bits are initialized to "000

The read values of these bits are updated during A/D conversion, and before A/D conversion

starts, the previous conversion channel will be read even if these bits have already been set

to the new value.

[Bits 2, 1, 0] ANE2, ANE1, ANE0: ANalog End channel set

These bits specify the end channel for A/D conversion.

Specifying the same channels as for ANS2 to ANS0 will result in one-channel conversion.

(Single conversion)

If continuous mode or stop mode is set, the channels specified by ANS2 to ANS0 will be set

again when conversion of the channels specified by these bits ends.

Start channel