MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 348
MC9S12Q
Manufacturer Part Number
MC9S12Q
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12Q.pdf
(644 pages)
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Chapter 12 Pulse-Width Modulator (PWM8B4C) Block Description
12.1.3
12.2
The PWM8B4C module has a total of four external pins.
12.2.1
This pin serves as waveform output of PWM channel 3.
12.2.2
This pin serves as waveform output of PWM channel 2.
12.2.3
This pin serves as waveform output of PWM channel 1.
348
Bus Clock
External Signal Description
Block Diagram
PWM3 — Pulse Width Modulator Channel 3 Pin
PWM2 — Pulse Width Modulator Channel 2 Pin
PWM1 — Pulse Width Modulator Channel 1 Pin
PWM8B4C
Clock Select
Control
Alignment
Polarity
Enable
Figure 12-1. PWM8B4C Block Diagram
PWM Clock
MC9S12Q128
Rev 1.09
PWM Channels
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Channel 3
Channel 2
Channel 1
Channel 0
Counter
Counter
Counter
Counter
Freescale Semiconductor
PWM3
PWM2
PWM1
PWM0
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