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M32C/86T Datasheet(PDF) 205 Page - Renesas Technology Corp |
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M32C/86T Datasheet(HTML) 205 Page - Renesas Technology Corp |
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205 / 505 page  Page 182 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 16. Three-Phase Motor Control Timer Functions ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M Figure 16.9 Sawtooth Wave Modulation Operation Timer B2 U-Phase Sawtooth Wave Signal Wave U-Phase Output Signal (1) U-Phase Output Signal (1) INV14 = 0 ("L" active) Sawtooth Waveform as a Carrier Wave NOTES: 1. Internal signals. See Figure 16.1. The examples of PWM output change are - Default value of the IDB0 and IDB1 registers: DU0=0, DUB0=1, DU1=1, DUB1=1 They are changed to DU0=1, DUB0=0, DU1=1, DUB1=1 by the timer B2 interrupt. The above applies to INVC0 = 01XX110X2 and INVC1 = 000XXX002 (X varies depending on each system.) INV14 = 1 ("H" active) U-Phase U-Phase U-Phase Dead time Dead time Timer A4 One-Shot Pulse(1) Timer A4 Start Trigger Signal(1) INV14: Bits in INVC1 register Rewrite the IDB0 and IDB1 registers Transfer the register values to the three-phase shift register |
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