Renesas H8S/2100 Series Hardware Manual page 224

6-bit single-chip microcomputer

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Table of Contents

Section 9 8-Bit PWM Timer (PWMU)

• 8-bit pulse division mode

Operable at a maximum carrier frequency of 1.57 MHz (at 25 MHz operation)

Pulse output settable with a duty cycle from 0/16 to 15/16

PWM output enable/disable control, and selection of direct or inverted PWM output

Figure 9.1 shows a block diagram of the PWMU.

PWM prescaler register

PWM duty setting register

Prescaler latch register

Duty setting latch register

PWM output waveform

PWM output enable signal

Rev. 1.00 May 09, 2008 Page 198 of 954

REJ09B0462-0100

Figure 9.1 Block Diagram of PWMU Timer

PWM counter/comparator

PWM clock control register

PWM output control register

PWM mode control register

PWM phase control register