mc68hc05pv8a Freescale Semiconductor, Inc, mc68hc05pv8a Datasheet - Page 148

• Manufacturer Part Number: mc68hc05pv8a
• Description: Mc68hc05pv8a Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Technical Data
11.3 Functional Description
Technical Data
OSC1
The PWM is capable of generating signals from 0% to 100% duty cycle.
A $00 in the PWM data register yields an OFF output (0%), but an $FF
yields a duty of 255/256 (assuming the PWM period register is set to
$FF). To achieve the 100% duty (ON output), the polarity control bit is
set while the data register contains $00. When not in use the PWM
system can be shut off to save power by clearing the PWMON bit in the
PWM control register. The PWM starts conversion immediately after
setting PWMON. The PWM output can have an active high or an active
low pulse under software control.
Clock Generator
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 11-1 PWM Block Diagram
f
PWM
Go to: www.freescale.com
Pulse Width Modulator
Loadable Counter
Comparator
PWM Control Register
Buffer
Pin Logic
PWM
MC68HC(8)05PV8/A — Rev. 1.9
PWM