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MSP430F6638: Clock setting and working of GPIO_setAsPeripheralModuleFunctionInputPin

mohit shukla
Prodigy 70 points

Part Number: MSP430F6638
Other Parts Discussed in Thread: MSP430F5438A, MSP430F5438

1) Please Guide me how can i set clock by using driverlib.

2) I have study the example code but i didn't understand the meaning of GPIO_setAsPeripheralModuleFunctionInputPin. so..

    what is the working of GPIO_setAsPeripheralModuleFunctionInputPin function?

thanks

  • 0
    TI__Mastermind 41820 points
    Hi

    1. Due to the MSP430F5438A and MSP430F6638 are same family so you can refer to the code example for MSP430F5438 dev.ti.com/.../node
    2. This function is used for configure the GPIO to the input second function of the GPIO. For example GPIO_setAsPeripheralModuleFunctionInputPin(
    GPIO_PORT_P6,
    GPIO_PIN0
    );
    is to set P6.0 to ADC input channel.
  • 0 in reply to Gary Gao
    Prodigy 70 points

    Hi Gary

    Thank you for your reply.

    but In My controller(MSP430F6638) there are multiple outputs at the same pin... what to do?  

    Can we use "GPIO_setAsPeripheralModuleFunctionInputPin" function with MSP430F6638 controller. because as i read the document of driver library it says "Note that MSP430F5xx/6xx family doesn't support these function modes."

  • 0 in reply to mohit shukla
    TI__Mastermind 41820 points
    Hi Mohit

    The "Note that MSP430F5xx/6xx family doesn't support these function modes." means MSP430F5xx/6xx family don't support the third parameter of this function. We can just use the function like this and don't need add the third parameter:
    GPIO_setAsPeripheralModuleFunctionInputPin(
    GPIO_PORT_P6,
    GPIO_PIN0
    );

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