HD6432621 Hitachi, HD6432621 Datasheet - Page 625
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
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16.1
The H8S/2626 Series and H8S/2623 Series include a successive approximation type 10-bit A/D
converter that allows up to sixteen analog input channels to be selected.
16.1.1
A/D converter features are listed below.
10-bit resolution
Sixteen 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 (Vref) as the analog reference
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
581
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