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This LSI includes a successive approximation type 10-bit A/D converter that allows up to six
analog input channels to be selected. The block diagram of the A/D converter is shown in figure
16.1.
16.1
Features
• 10-bit resolution
• Six input channels
• Conversion time: 8.4 µs per channel (at 16 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
Software
Timer (TPU or TMR) conversion start trigger
External trigger signal (ADTRG)
• Interrupt request
An A/D conversion end interrupt request (ADI) can be generated
• Module stop mode can be set
ADCMS34A_000120020100
Section 16 A/D Converter
Rev. 3.0, 10/02, page 533 of 686
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