MC9S12Q128_10 Datasheet, PDF (368/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 12 Pulse-Width Modulator (PWM8B4CRev 01.24) Block Description
Clock A
Clock A/2, A/4, A/6,....A/512
8-Bit Down Counter ^{Count = 1}
Load
PWMSCLA
DIV 2 ^{Clock SA}
M
U
X
Clock B
Clock B/2, B/4, B/6,....B/512
M
U
8-Bit Down Counter ^{Count = 1}
X
Load
PWMSCLB
Clock SB
DIV 2
M
U
X
Clock to
PWM Ch 0
PCLK0
M
U
X
Clock to
PWM Ch 1
PCLK1
M
U
X
Clock to
PWM Ch 2
PCLK2
M
U
X
Clock to
PWM Ch 3
PCLK3
PRESCALE
SCALE
CLOCK SELECT
Figure 12-28. PWM Clock Select Block Diagram
368
MC9S12Q128
Freescale Semiconductor
Rev 1.10