MC68HC908MR8 Datasheet, PDF (147/372 Pages) Motorola, Inc – Microcontrollers

Pulse-Width Modulator for Motor Control (PWMMC)
Timebase
UP/DOWN COUNTER
MODULUS = 4
PWM = 0
PWM = 1
PWM = 2
PERIOD = 8 x (PWM CLOCK PERIOD)
PWM = 3
PWM = 4
Figure 9-3. Center-Aligned PWM (Positive Polarity)
UP-ONLY COUNTER
MODULUS = 4
PWM = 0
PWM = 1
PWM = 2
PERIOD = 4 x (PWM
CLOCK PERIOD)
PWM = 3
PWM = 4
Figure 9-4. Edge-Aligned PWM (Positive Polarity)
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor Pulse-Width Modulator for Motor Control (PWMMC)
Technical Data
147