HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 248
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HD6435348R
Manufacturer Part Number
HD6435348R
Description
Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6435348R.pdf
(487 pages)
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Section 12 PWM Timer
12.1 Overview
The H8/534 and H8/536 have an on-chip pulse-width modulation (PWM) timer module with three
independent channels (PWM1, PWM2, and PWM3). All three channels are functionally identical.
Using an 8-bit timer counter, each PWM channel generates a rectangular output pulse with a duty
factor of 0 to 100%. The duty factor is specified in an 8-bit duty register (DTR).
12.1.1 Features
The PWM timer module has the following features:
• Selection of eight clock sources
• Duty factors from 0 to 100% with 1/250 resolution
• Output with positive or negative logic
12.1.2 Block Diagram
Figure 12-1 shows a block diagram of one PWM timer channel.
233
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