mc68hc908mr24 Freescale Semiconductor, Inc, mc68hc908mr24 Datasheet - Page 137

• Manufacturer Part Number: mc68hc908mr24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

9.3 Features
MC68HC908MR24 — Rev. 4.1
Freescale Semiconductor
Features of the PWMMC include:
Pulse-Width Modulator for Motor Control (PWMMC)
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Three complimentary PWM pairs or six independent PWM signals
Edge-aligned PWM signals or center-aligned PWM signals
PWM signal polarity control
20-mA current sink capability on PWM pins
Manual PWM output control through software
Programmable fault protection
Complementary mode featuring:
– Dead-time insertion
– Separate top/bottom pulse width correction via current sensing
or programmable software bits
Figure 9-1. PWM Module Block Diagram
PWM CHANNELS 1 AND 2
PWM CHANNELS 3 AND 4
PWM CHANNELS 5 AND 6
TIMEBASE
Pulse-Width Modulator for Motor Control (PWMMC)
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8
3
CPU BUS
COIL CURRENT
POLARITY PINS
Advance Information
4
PWM1PIN
PWM2PIN
PWM3PIN
PWM4PIN
PWM5PIN
PWM6PIN
INTERRUPT
FAULT
PINS
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