MC9S12HZ256 Datasheet, PDF (442/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 15 Pulse-Width Modulator (PWM8B6CV1)
15.1.3 Block Diagram
Bus Clock
PWM8B6C
Clock Select ^{PWM Clock}
PWM Channels
Channel 5
Period and Duty Counter
Channel 4
Period and Duty Counter
Control
Channel 3
Period and Duty Counter
Enable
Polarity
Alignment
Channel 2
Period and Duty Counter
Channel 1
Period and Duty Counter
Channel 0
Period and Duty Counter
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
Figure 15-1. PWM8B6C Block Diagram
15.2 External Signal Description
The PWM8B6C module has a total of six external pins.
15.2.1 PWM5 — Pulse Width Modulator Channel 5 Pin
This pin serves as waveform output of PWM channel 5 and as an input for the emergency shutdown
feature.
15.2.2 PWM4 — Pulse Width Modulator Channel 4 Pin
This pin serves as waveform output of PWM channel 4.
15.2.3 PWM3 — Pulse Width Modulator Channel 3 Pin
This pin serves as waveform output of PWM channel 3.
MC9S12HZ256 Data Sheet, Rev. 2.04
442
Freescale Semiconductor