HD6432646 Hitachi, HD6432646 Datasheet - Page 621

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

16.1
The H8S/2646 Series incorporates a successive approximation type 10-bit A/D converter that
allows up to twelve analog input channels to be selected.
16.1.1
A/D converter features are listed below.
10-bit resolution
Twelve 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
Minimum conversion time: 13.3 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 ADTRG pin
A/D conversion end interrupt (ADI) request can be generated at the end of A/D conversion
voltage
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 16 A/D Converter
ref
) as the analog reference
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