HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 297
HD6435348R
Manufacturer Part Number
HD6435348R
Description
Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6435348R.pdf
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15.1 Overview
The H8/534 and H8/536 have an analog-to-digital converter module which can be programmed
for input of analog signal on up to eight channels. A/D conversion is performed by the successive
approximations method with 10-bit resolution.
15.1.1 Features
The features of the on-chip A/D module are:
• Eight analog input channels
• Sample and hold circuit
• 10-Bit resolution
• Rapid conversion
• Single and scan modes
• Four 16-bit data registers
• A/D conversion can be started by external trigger input.
• A CPU interrupt (ADI) can be requested at the completion of each A/D conversion cycle.
Conversion time is 13.8 µs per channel (at ø = 10 MHz)
— Single mode: A/D conversion is performed once.
— Scan mode: A/D conversion is performed in a repeated cycle on one to four channels.
These registers store A/D conversion results for up to four channels.
This interrupt can also be served by the on-chip data transfer controller (DTC), providing a
convenient way to move results into memory.
Section 15 A/D Converter
283
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