h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 649
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
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17.1
The H8S/2646 Group has an on-chip motor control PWM (pulse width modulator) with a
maximum capability of 16 pulse outputs.
17.1.1
Features of the motor control PWM are given below.
• Maximum of 16 pulse outputs
• Buffered duty registers
• 0% to 100% duty
• Five operating clocks
• On-chip output driver
• High-speed access via internal 16-bit bus
• Two interrupt sources
• Automatic transfer of register data
• Module stop mode
Two 10-bit PWM channels, each with eight outputs.
Each channel is provided with a 10-bit counter (PWCNT) and cycle register (PWCYR).
Duty and output polarity can be set for each output.
Duty registers (PWDTR) are provided with buffer registers (PWBFR), with data
Channel 1 has four duty registers and four buffer registers.
Channel 2 has eight duty registers and four buffer registers.
A duty cycle of 0% to 100% can be set by means of a duty register setting.
There is a choice of five operating clocks (φ, φ/2, φ/4, φ/8, φ/16).
High-speed access is possible via a 16-bit bus interface.
An interrupt can be requested independently for each channel by a cycle register compare
Block transfer and one-word data transfer are possible by activating the data transfer
As the initial setting, PWM operation is halted. Register access is enabled by clearing
transferred automatically every cycle.
match.
controller (DTC).
module stop mode.
Overview
Features
Section 17 Motor Control PWM Timer
Rev. 5.00 Sep 22, 2005 page 623 of 1136
Section 17 Motor Control PWM Timer
REJ09B0257-0500
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