第二部分F2812时钟与控制系统ppt课件.ppt

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1、第五部分：F2812时钟与控制系统C28xGPIO寄存器结构GPIOAMuxControlRegister(GPAMUX)GPIOADirectionControlRegister(GPADIR)GPIOAGPIOBMuxControlRegister(GPBMUX)GPIOBDirectionControlRegister(GPBDIR)GPIOBGPIODMuxControlRegister(GPDMUX)GPIODDirectionControlRegister(GPDDIR)GPIODGPIO

2、EMuxControlRegister(GPEMUX)GPIOEDirectionControlRegister(GPEDIR)GPIOEGPIOFMuxControlRegister(GPFMUX)GPIOFDirectionControlRegister(GPFDIR)GPIOFGPIOGMuxControlRegister(GPGMUX)GPIOGDirectionControlRegister(GPGDIR)GPIOGInternalBusGPIOA,B,D,EincludeInputQual

3、ificationfeatureGPIOAGPIOA0/PWM1GPIOA1/PWM2GPIOA2/PWM3GPIOA3/PWM4GPIOA4/PWM5GPIOA5/PWM6GPIOA6/T1PWM_T1CMPGPIOA7/T2PWM_T2CMPGPIOA8/CAP1_QEP1GPIOA9/CAP2_QEP2GPIOA10/CAP3_QEPI1GPIOA11/TDIRAGPIOA12/TCLKINAGPIOA13/C1TRIPGPIOA14/C2TRIPGPIOA15/C3TRIPGPIOBGPIOB

4、0/PWM7GPIOB1/PWM8GPIOB2/PWM9GPIOB3/PWM10GPIOB4/PWM11GPIOB5/PWM12GPIOB6/T3PWM_T3CMPGPIOB7/T4PWM_T4CMPGPIOB8/CAP4_QEP3GPIOB9/CAP5_QEP4GPIOB10/CAP6_QEPI2GPIOB11/TDIRBGPIOB12/TCLKINBGPIOB13/C4TRIPGPIOB14/C5TRIPGPIOB15/C6TRIPGPIODGPIOD0/T1CTRIP_PDPINTAGPIOD1

5、/T2CTRIP/EVASOCGPIOD5/T3CTRIP_PDPINTBGPIOD6/T4CTRIP/EVBSOCGPIOEGPIOE0/XINT1_XBIOGPIOE1/XINT2_ADCSOCGPIOE2/XNMI_XINT13GPIOFGPIOF0/SPISIMOAGPIOF1/SPISOMIAGPIOF2/SPICLKAGPIOF3/SPISTEAGPIOF4/SCITXDAGPIOF5/SCIRXDAGPIOF6/CANTXAGPIOF7/CANRXAGPIOF8/MCLKXAGPIOF9

6、/MCLKRAGPIOF10/MFSXAGPIOF11/MFSRAGPIOF12/MDXAGPIOF13/MDRAGPIOF14/XFGPIOGGPIOG4/SCITXDBGPIOG5/SCIRXDBC28xGPIO引脚分配Note:GPIOarepinfunctionsatresetGPIOA,B,D,EincludeInputQualificationfeatureC28xGPIO功能框图•••10MUXControlBit0=I/OFunction1=PrimaryFunctionPinPrim

7、aryPeripheralFunctionI/ODATBit(R/W)InOut•I/ODIRBit0=Input1=OutputGPxMUXGPxDIRGPxDATGPxSETGPxCLEARGPxTOGGLEQUALPRDreserved7-015-8GPxQUAL00hnoqualification(SYNCtoSYSCLKOUT)01hQUALPRD=SYSCLKOUT/202hQUALPRD=SYSCLKOUT/4FFhQUALPRD=SYSCLKOUT/510.........Somedi

8、gitalI/OandperipheralI/OinputsignalsincludeanInputQualificationfeatureC28xGPIOMUX/DIR寄存器AddressRegisterName70C0hGPAMUXGPIOAMuxControlRegister70C1hGPADIRGPIOADirectionControlRegister70C2hGPAQUALGPIOAInputQualificationControlRegist