//
// Set qualification for selected input pins to asynch only
// This will select asynch (no qualification) for the selected pins.
// Comment out other unwanted lines.
//
GpioCtrlRegs.GPAQSEL2.bit.GPIO21 = 3; // Asynch input GPIO21 (MDRA)
GpioCtrlRegs.GPAQSEL2.bit.GPIO22 = 3; // Asynch input GPIO22 (MCLKXA)
//GpioCtrlRegs.GPAQSEL1.bit.GPIO7 = 3; // Asynch input GPIO7 (MCLKRA)
//GpioCtrlRegs.GPBQSEL2.bit.GPIO58 = 3; // Asynch input GPIO58(MCLKRA)
GpioCtrlRegs.GPAQSEL2.bit.GPIO23 = 3; // Asynch input GPIO23 (MFSXA)
//GpioCtrlRegs.GPAQSEL1.bit.GPIO5 = 3; // Asynch input GPIO5 (MFSRA)
//GpioCtrlRegs.GPBQSEL2.bit.GPIO59 = 3; // Asynch input GPIO59 (MFSRA)
以上为controlSUIT中McBSP GPIO配置
请问作为MDXA的GPIO20 它的GPAQSEL2，为什么没有设置为3呢 谢谢？
