HD64F36024FX Datasheet, PDF (245/386 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 14 A/D Converter
Section 14 A/D Converter
This LSI includes a successive approximation type 10-bit A/D converter that allows up to four
analog input channels to be selected. The block diagram of the A/D converter is shown in figure
14.1.
14.1 Features
• 10-bit resolution
• Four input channels
• Conversion time: at least 3.5 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
• Two conversion start methods
 Software
 External trigger signal
• Interrupt request
 An A/D conversion end interrupt request (ADI) can be generated
ADCMS32A_000020020200
Rev. 4.00 Sep. 23, 2005 Page 217 of 354
REJ09B0025-0400