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SH7729R Datasheet, PDF (703/855 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series | |||
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Section 21 A/D Converter
21.1 Overview
The SH7729R includes a 10-bit successive-approximation A/D converter allowing selection of up
to eight analog input channels.
21.1.1 Features
A/D converter features are listed below.
⢠10-bit resolution
⢠Eight input channels
⢠High-speed conversion
 Conversion time: maximum 15 µs per channel (PÏ = 33 MHz operation)
⢠Three conversion modes
 Single mode: A/D conversion on one channel
 Multi mode: A/D conversion on one to four channels
 Scan mode: Continuous A/D 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 the end of conversion
 At the end of A/D conversion, an A/D end interrupt (ADI) can be requested.
Rev. 5.0, 09/03, page 657 of 806
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