Advanced Function Instruction
7-115
FUN 139
HSPWM
HIGH SPEED PULSE WIDTH MODULATION OUTPUT
FUN 139
HSPWM
(2).Pn ( Output frequency ) = 50, Rs = 0 ( 1/100 ), OR ( Output pulse width ) = 50 :
Example 2 : If Pn ( Setting of output frequency ) = 200, Rs = 1( 1/1000 ), then
)1+200(
18432
=f
pwm
91.7Hz≒
T(Period)=
pwm
f
1
10.9mS≒
For Rs = 1/1000, if OR( Setting of output pulse width ) = 10, then T0 ≒ 109uS; if OR( Setting of output pulse
width ) = 800, then To ≒ 8.72mS
.Output waveform :
(1).Pn ( Output frequency ) = 200, Rs = 1 ( 1/1000 ), OR ( Output pulse width ) = 10 :
(2).Pn ( Output frequency ) = 200, Rs = 1 ( 1/1000 ), OR ( Output pulse width ) = 800 :
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