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pwm9-11不能配置，因为引脚配置程序是 EALLOW;
//
// Disable internal pull-up for the selected output pins
// for reduced power consumption
// Pull-ups can be enabled or disabled by the user.
// This will enable the pullups for the specified pins.
// Comment out other unwanted lines.
//
GpioCtrlRegs.GPFPUD.bit.GPIO163 = 1; // Disable pull-up on GPIO163 (EPWM10A)
GpioCtrlRegs.GPFPUD.bit.GPIO164 = 1; // Disable pull-up on GPIO164 (EPWM10B)
//
// Configure EPWM-6 pins using GPIO regs
// This specifies which of the possible GPIO pins will be EPWM6 functional
// pins.
// Comment out other unwanted lines.
//
GpioCtrlRegs.GPFMUX1.bit.GPIO163 = 1; // Configure GPIO163 as EPWM10A
GpioCtrlRegs.GPFMUX1.bit.GPIO164 = 1; // Configure GPIO164 as EPWM10B
