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(1):先配置好管脚:
void InitXintf16Gpio() //16位;
{
EALLOW;
GpioCtrlRegs.GPCMUX1.bit.GPIO64 = 3; // XD15
GpioCtrlRegs.GPCMUX1.bit.GPIO65 = 3; // XD14
GpioCtrlRegs.GPCMUX1.bit.GPIO66 = 3; // XD13
GpioCtrlRegs.GPCMUX1.bit.GPIO67 = 3; // XD12
GpioCtrlRegs.GPCMUX1.bit.GPIO68 = 3; // XD11
GpioCtrlRegs.GPCMUX1.bit.GPIO69 = 3; // XD10
GpioCtrlRegs.GPCMUX1.bit.GPIO70 = 3; // XD19
GpioCtrlRegs.GPCMUX1.bit.GPIO71 = 3; // XD8
GpioCtrlRegs.GPCMUX1.bit.GPIO72 = 3; // XD7
GpioCtrlRegs.GPCMUX1.bit.GPIO73 = 3; // XD6
GpioCtrlRegs.GPCMUX1.bit.GPIO74 = 3; // XD5
GpioCtrlRegs.GPCMUX1.bit.GPIO75 = 3; // XD4
GpioCtrlRegs.GPCMUX1.bit.GPIO76 = 3; // XD3
GpioCtrlRegs.GPCMUX1.bit.GPIO77 = 3; // XD2
GpioCtrlRegs.GPCMUX1.bit.GPIO78 = 3; // XD1
GpioCtrlRegs.GPCMUX1.bit.GPIO79 = 3; // XD0
GpioCtrlRegs.GPBMUX1.bit.GPIO40 = 3; // XA0/XWE1n
GpioCtrlRegs.GPBMUX1.bit.GPIO41 = 3; // XA1
GpioCtrlRegs.GPBMUX1.bit.GPIO42 = 3; // XA2
GpioCtrlRegs.GPBMUX1.bit.GPIO43 = 3; // XA3
GpioCtrlRe
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