MC68HC908MR8 Datasheet, PDF (156/372 Pages) Motorola, Inc – Microcontrollers

Pulse-Width Modulator for Motor Control
UP/DOWN COUNTER
MODULUS = 4
PWM VALUE = 2
PWM VALUE = 2
PWM VALUE = 3
PWM1 W/
NO DEAD-TIME
PWM2 W/
NO DEAD-TIME
PWM1 W/
DEAD-TIME = 2
PWM2 W/
DEAD-TIME = 2
2
2
2
2
Figure 9-14. Effects of Dead-Time Insertion
2
2
UP/DOWN COUNTER
MODULUS = 3
PWM VALUE = 1
PWM VALUE = 1
PWM VALUE = 3
PWM VALUE = 3
PWM1 W/
NO DEAD-TIME
PWM2 W/
NO DEAD-TIME
PWM1 W/
DEAD-TIME = 2
2
2
PWM2 W/
DEAD-TIME = 2
2
2
Figure 9-15. Dead-Time at Duty Cycle Boundaries
Technical Data
156
MC68HC908MR8 — Rev 4.1
Pulse-Width Modulator for Motor Control (PWMMC) Freescale Semiconductor