Microchip Technology MA330028 Data Sheet
2011-2014 Microchip Technology Inc.
DS80000533H-page 21
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X and PIC24EPXXXGP/MC20X
38. Module: PWM
In Complementary mode after the PWM module is
enabled (PTEN = 1), if the PWM override is turned
off, a 1 T
enabled (PTEN = 1), if the PWM override is turned
off, a 1 T
OSC
glitch will be present on the rising
edge of either PWMxH or PWMxL, whichever
occurs first, as shown in
occurs first, as shown in
Since the width of the glitch is just 1 T
OSC
at higher
values of F
OSC
, the glitch may not be visible on the
PWMxH/PWMxL pins due to pin and PCB trace
capacitances.
capacitances.
Work around
None.
Affected Families and Silicon Revisions
FIGURE 5:
ILLUSTRATION OF 1 T
OSC
GLITCH WHEN PWM OVERRIDE IS TURNED OFF
dsPIC33/PIC24EP32 devices
—
dsPIC33/PIC24EP64 devices
A8
dsPIC33/PIC24EP128 devices
A8
dsPIC33/PIC24EP256 devices
—
dsPIC33/PIC24EP512 devices
—
PWMxH
PWMxL
T
OSC
Override
Disabled
Disabled
Override
Enabled
Edge-Aligned Mode