MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 368

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Chapter 12 Pulse-Width Modulator (PWM8B4C) Block Description
368
PRESCALE
Figure 12-28. PWM Clock Select Block Diagram
M
U
M
X
U
X
8-Bit Down Counter
8-Bit Down Counter
PWMSCLB
PWMSCLA
MC9S12Q128
Rev 1.09
SCALE
Load
Load
Clock A
Clock B
Clock A/2, A/4, A/6,....A/512
Clock B/2, B/4, B/6,....B/512
Count = 1
Count = 1
DIV 2
DIV 2
Clock SB
Clock SA
CLOCK SELECT
Freescale Semiconductor
PCLK0
PCLK1
PCLK2
PCLK3
M
M
M
M
U
X
U
X
U
X
U
X
Clock to
PWM Ch 0
Clock to
PWM Ch 1
Clock to
PWM Ch 2
Clock to
PWM Ch 3