Section 16 A/D Converter; Features - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer

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This LSI includes a successive approximation type 10-bit A/D converter that allows up to twelve

analog input channels to be selected. The Block diagram of the A/D converter is shown in figure

The DTC is not supported in H8S/2614 and H8S/2616.

• 10-bit resolution

• Twelve input channels

• Conversion time: 13.3 µs per channel (at 20-MHz operation)

• Two operating modes

 Single mode: Single-channel A/D conversion

 Scan mode: Continuous A/D conversion on 1 to 4 channels

• Four data registers

 Conversion results are held in a 16-bit data register for each channel

• Sample and hold function

• Three methods conversion start

 16-bit timer pulse unit (TPU) conversion start trigger

 External trigger signal

• Interrupt request

 An A/D conversion end interrupt request (ADI) can be generated

• Module stop mode can be set

Section 16 A/D Converter

Rev. 6.00 Mar 15, 2006 page 437 of 570

REJ09B0211-0600