Chapter 16 Motor Controller (MC10B8CV1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
608
Freescale Semiconductor
16.4.1.2
Relationship Between PWM Mode and PWM Channel Enable
The pair of motor controller channels cannot be placed into dual full H-bridge mode unless both motor
controller channels have been enabled (MCAM[1:0] not equal to 00) and dual full H-bridge mode is
selected for both PWM channels (MCOM[1:0] = 11). If only one channel is set to dual full H-bridge mode,
this channel will operate in full H-bridge mode, the other as programmed.
16.4.1.3
Relationship Between Sign, Duty, Dither, RECIRC, Period,
and PWM Mode Functions
16.4.1.3.1
PWM Alignment Modes
Each PWM channel can be programmed individually to three different alignment modes. The mode is
determined by the MCAM[1:0] bits in the corresponding channel control register.
Left aligned (MCAM[1:0] = 01): The output will start active (low if RECIRC = 0 or high if RECIRC = 1)
and will turn inactive (high if RECIRC = 0 or low if RECIRC = 1) after the number of counts specified by
the corresponding duty cycle register.
Right aligned (MCAM[1:0] = 10): The output will start inactive (high if RECIRC = 0 and low if
RECIRC = 1) and will turn active after the number of counts specified by the difference of the contents of
period register and the corresponding duty cycle register
.
0
15
PWM Output
0
1 Period
100 Counts
Motor Controller
Timer Counter
Motor Controller
Timer Counter
Clock
0
1 Period
100 Counts
15
99
99
DITH = 0, MCAM[1:0] = 01, MCDCx = 15, MCPER = 100, RECIRC = 0
Содержание MC9S12ZVHL32
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Страница 752: ...Chapter 22 Supply Voltage Sensor BATSV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 752 Freescale Semiconductor...
Страница 774: ...Chapter 23 LIN Physical Layer S12LINPHYV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 774 Freescale Semiconductor...
Страница 788: ...Appendix A MCU Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 788 Freescale Semiconductor...
Страница 794: ...Appendix B ADC Electricals S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 794 Freescale Semiconductor...
Страница 798: ...Appendix D IRC Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 798 Freescale Semiconductor...
Страница 802: ...Appendix F MSCAN Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 802 Freescale Semiconductor...
Страница 806: ...Appendix G NVM Electrical Parameters S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 806 Freescale Semiconductor...
Страница 810: ...Appendix H BATS Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 810 Freescale Semiconductor...
Страница 816: ...Appendix K OSC32K Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 816 Freescale Semiconductor...
Страница 822: ...Appendix L SPI Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 822 Freescale Semiconductor...
Страница 826: ...Appendix M LINPHY Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 826 Freescale Semiconductor...
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