HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 545

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

14.1
The H8/2245 Group incorporates a successive approximation type 10-bit A/D converter that
allows up to four analog input channels to be selected.
14.1.1
A/D converter features are listed below
10-bit resolution
Four input channels
Settable analog conversion voltage range
High-speed conversion
Choice of single mode or scan mode
Four data registers
Sample and hold function
Three kinds of conversion start
A/D conversion end interrupt generation
Module stop mode can be set
Conversion of analog voltages with the reference voltage pin (V
voltage
Minimum conversion time: 6.5 µs per channel (at 20-MHz operation)
Single mode: Single-channel A/D conversion
Scan mode:
Conversion results are held in a 16-bit data register for each channel
Choice of software or timer conversion start trigger (TPU or 8-bit timer), or ADTRG pin
A/D conversion end interrupt (ADI) request can be generated at the end of A/D conversion
As the initial setting, A/D converter operation is halted. Register access is enabled by
exiting module stop mode.
Overview
Features
Continuous A/D conversion on 1 to 4 channels
Section 14 A/D Converter
Rev.3.00 Mar. 26, 2007 Page 503 of 772
ref
Section 14 A/D Converter
) as the analog reference
REJ09B0355-0300