mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 935

• Manufacturer Part Number: mc9s12xf512
• Description: S12x Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Writing a logic zero to a INDEPx bit configures the PWM output as a pair of complementary channels.
The PWM pins are paired as shown in
The complementary channel operation is for driving top and bottom transistors in a motor drive circuit,
such as the one in
In complementary channel operation, there are three additional features:
Freescale Semiconductor
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Deadtime insertion
Separate top and bottom pulse width correction for distortions are caused by deadtime inserted and
the motor drive characteristics
Separate top and bottom output polarity control
INPUTS
AC
Figure
PAIR A
PAIR B
PAIR C
20-48.
Figure 20-48. Typical 3 Phase AC Motor Drive
Figure 20-47. Complementary Channel Pairs
MC9S12XF - Family Reference Manual, Rev.1.19
PWM CHANNELS 0 AND 1
PWM CHANNELS 2 AND 3
PWM CHANNELS 4 AND 5
REGISTER
REGISTER
REGISTER
PMFVAL0
PMFVAL2
PMFVAL4
PWM
PWM
Figure 20-47
0
1
Chapter 20 Pulse Width Modulator with Fault Protection (PMF15B6C) Module
REGISTER
REGISTER
REGISTER
PMFVAL1
PMFVAL3
PMFVAL5
in complementary channel operation.
PWM
PWM
2
3
PWM
PWM
4
5
TOP
BOTTOM
TOP
BOTTOM
TOP
BOTTOM
MOTOR
TO
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