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Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 588 of 982
REJ09B0023-0400
18.4.7
Reset-Synchronized PWM Mode
In the reset-synchronized PWM mode, three-phase output of positive and negative PWM
waveforms that share a common wave transition point can be obtained by combining channels 3
and 4.
When set for reset-synchronized PWM mode, the TIOC3B, TIOC3D, TIOC4A, TIOC4C,
TIOC4B, and TIOC4D pins function as PWM output pins and TCNT3 functions as an upcounter.
Table 18.37 shows the PWM output pins used. Table 18.38 shows the settings of the registers.
Table 18.37 Output Pins for Reset-Synchronized PWM Mode
Channel Output
Pin Description
3
TIOC3B
PWM output pin 1
TIOC3D
PWM output pin 1' (negative-phase waveform of PWM output 1)
4
TIOC4A
PWM output pin 2
TIOC4C
PWM output pin 2' (negative-phase waveform of PWM output 2)
TIOC4B
PWM output pin 3
TIOC4D
PWM output pin 3' (negative-phase waveform of PWM output 3)
Table 18.38 Register Settings for Reset-Synchronized PWM Mode
Register Description
of
Setting
TCNT_3
Initial setting of H'0000
TCNT_4
Initial setting of H'0000
TGRA_3
Set count cycle for TCNT_3
TGRB_3
Sets the turning point for PWM waveform output by the TIOC3B and TIOC3D pins
TGRA_4
Sets the turning point for PWM waveform output by the TIOC4A and TIOC4C pins
TGRB_4
Sets the turning point for PWM waveform output by the TIOC4B and TIOC4D pins
Содержание HD6417641
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Страница 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
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Страница 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
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Страница 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Страница 500: ...Section 13 Direct Memory Access Controller DMAC Rev 4 00 Sep 14 2005 Page 450 of 982 REJ09B0023 0400...
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Страница 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Страница 734: ...Section 18 Multi Function Timer Pulse Unit MTU Rev 4 00 Sep 14 2005 Page 684 of 982 REJ09B0023 0400...
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Страница 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Страница 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Страница 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
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