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12.1 Overview
The H8/3035 Series includes a 10-bit successive-approximations A/D converter with a selection
of up to eight analog input channels.
12.1.1 Features
A/D converter features are listed below.
• 10-bit resolution
• Eight input channels
• Selectable analog conversion voltage range
The analog voltage conversion range can be programmed by input of an analog reference
voltage at the V
pin.
REF
• High-speed conversion
Conversion time: minimum 7.4 µs per channel (with 18 MHz system clock)
• Two conversion modes
Single mode: A/D conversion of one channel
Scan mode: continuous conversion on one to four channels
• Four 16-bit data registers
A/D conversion results are transferred for storage into data registers corresponding to the
channels.
• Sample-and-hold function
• A/D conversion can be externally triggered
• A/D interrupt requested at end of conversion
At the end of A/D conversion, an A/D end interrupt (ADI) can be requested.
Section 12 A/D Converter
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