Section 16 A/D Converter; Features - Renesas H8S/2368 Series Hardware Manual

This LSI includes a successive approximation type 10-bit A/D converter that allows up to ten
analog input channels to be selected. The block diagram of A/D converter is shown in figure 16.1.
16.1

Features

• 10-bit resolution
• Ten input channels
• Conversion time: 8.1 µs per channel (at 33 MHz operation)
• Two kinds of operating modes
 Single mode: Single-channel A/D conversion
 Scan mode: Continuous A/D conversion on 1 to 4 channels or 1 to 8 channels
• Eight data registers
 Conversion results are held in a 16-bit data register for each channel
• Sample and hold function
• Three kinds of conversion start
 Conversion can be started by software, 16-bit timer pulse unit (TPU), conversion start
trigger by 8-bit timer (TMR), or external trigger signal.
• Interrupt request
 A/D conversion end interrupt (ADI) request can be generated
• Module stop mode can be set
ADCMS04A_010020020100

Section 16 A/D Converter

Rev. 2.00, 05/03, page 619 of 820