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Function explanation : [Timer mode] [IGBT mode] [PMD mode]

Simulation : [Clock period (Timer mode)] [PPG output (IGBT mode)] [3-phase motor control (PMD mode)]

Simulates the operation of the 16-bit multi-timer used in the PPG output mode. 
The upper row is a time setting for PPG output. 
The lower row is a simulation of 2-phase PPG output.

Time setting

Setting method

Setting method of timer setting values

  • Setting of system clock 
    The frequency of ΦT0 is determined in the system clock setting part.
  • Clock selection of the timer 
    Select clock output from prescaler in the timer.
  • Timer setting value 
    Input a numerical value to the preferred setting value, and select the unit. Clicking the calculation button will show you a timer setting value in the selected timer clock cycle.

Simulation method of 2-phase PPG output

  • The timer setting value needs to be determined beforehand.
  • If you select continuous output mode, two cycles output will be repeated continuously. If you select single output mode, a cycle output will display.
  • The initial output value of the PPG output can be set to "H" or "L."
  • Clicking on the operation start button will show the waveforms in the PPG output part.

Setting of system clock

High-speed clock(fc) fc MHz
fgear output fc  fc/2  fc/4  fc/8  fc/16 fgear MHz
fperiph output fc  fgear fperiph MHz
ΦT0 output fperiph  fperiph/2  fperiph/4  fperiph/8
fperiph/16  fperiph/32

Clock select in timer

SelectMTxIGCR<IGCLK>Clock period
ΦT0 00 µs
ΦT1 01 µs
ΦT2 10 µs
ΦT4 11 µs
A setting whose clock cycle is displayed as "-" cannot be used (because timer clock frequency ≤ fsys is not filled).

Timer setting value

RegisterTimer request timeTimer setting value
MTxRG0 uS mS S
The timer setting value needs to satisfy the following conditions.
  • 0 < MTxRG0 < MTxRG1 ≤ MTxIGRG4 ≤ 65535
  • 0 < MTxIGRG2 < MTxIGRG3 ≤ MTxIGRG4 ≤ 65535

2-phase PPG output

After determining the above-mentioned timer setting value, click the operation button.
Continuous / SingleMTxIGCR<IGSNGL> Continuous  Single
MTOUT0x initial valueMTxIGOCR<IGPOL0> Low  High
MTOUT1x initial valueMTxIGOCR<IGPOL1> Low  High

Up counter [0 to 65535]

PPG output waveforms


If a timer setting value is too small (MTxIGRG4 is 1000 or lower), the PPG output waveform may not appear.

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