MC9S12Q128_10 Datasheet, PDF (348/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 12 Pulse-Width Modulator (PWM8B4CRev 01.24) Block Description
12.1.3 Block Diagram
PWM8B4C
PWM Channels
Bus Clock
Clock Select ^{PWM Clock}
Control
Enable
Polarity
Alignment
Channel 3
Period and Duty Counter
Channel 2
Period and Duty Counter
Channel 1
Period and Duty Counter
Channel 0
Period and Duty Counter
Figure 12-1. PWM8B4C Block Diagram
12.2 External Signal Description
The PWM8B4C module has a total of four external pins.
12.2.1 PWM3 — Pulse Width Modulator Channel 3 Pin
This pin serves as waveform output of PWM channel 3.
12.2.2 PWM2 — Pulse Width Modulator Channel 2 Pin
This pin serves as waveform output of PWM channel 2.
12.2.3 PWM1 — Pulse Width Modulator Channel 1 Pin
This pin serves as waveform output of PWM channel 1.
PWM3
PWM2
PWM1
PWM0
348
MC9S12Q128
Freescale Semiconductor
Rev 1.10