MC9S12GRMV1 Datasheet, PDF (636/1292 Pages) Freescale Semiconductor, Inc – MC9S12G Family Reference Manual and Data Sheet

Pulse-Width Modulator (S12PWM8B8CV2)
19.1.3 Block Diagram
Figure 19-1 shows the block diagram for the 8-bit up to 8-channel scalable PWM block.
Bus Clock
PWM8B8C
PWM Channels
Channel 7
Period and Duty Counter
Clock Select ^{PWM Clock}
Control
Channel 6
Period and Duty Counter
Channel 5
Period and Duty Counter
Channel 4
Period and Duty Counter
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
PWM7
PWM6
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
Maximum possible channels, scalable in pairs from PWM0 to PWM7.
Figure 19-1. Scalable PWM Block Diagram
19.2 External Signal Description
The scalable PWM module has a selected number of external pins. Refer to device specification for exact
number.
19.2.1 PWM7 - PWM0 — PWM Channel 7 - 0
Those pins serve as waveform output of PWM channel 7 - 0.
MC9S12G Family Reference Manual, Rev.1.23
638
Freescale Semiconductor