MC68HC908MR8 Datasheet, PDF (141/372 Pages) Motorola, Inc – Microcontrollers

9.3 Features
Pulse-Width Modulator for Motor Control (PWMMC)
Features
Features of the PWMMC include:
• Three complimentary PWM pairs or six independent PWM signals
• Edge-aligned PWM signals or center-aligned PWM signals
• PWM signal polarity control
• Manual PWM output control through software
• Programmable fault protection
• Complimentary mode also features:
– Dead-time insertion
– Separate top/bottom pulse width correction via current sensing
or programmable software bits
8
CPU BUS
PWM CHANNELS 1 & 2
PWM1 PIN
PWM2 PIN
PWM CHANNELS 3 & 4
PWM3 PIN
PWM4 PIN
PWM CHANNELS 5 & 6
12
TIMEBASE
PWM5 PIN
PWM6 PIN
2
FAULT
INTERRUPT
PINS
Figure 9-1. PWM Module Block Diagram
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor Pulse-Width Modulator for Motor Control (PWMMC)
Technical Data
141