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MSP430F6749A: Problem communicating with MSP430F6749A through Energy Measurement Design Center

prasad shiva

Prodigy 80 points

Part Number: MSP430F6749A
Other Parts Discussed in Thread: MSP430F6749, MSP430F6779

I am using Single phase energy meter based on MSP430F6749A using Energy management design center tool generated the code, I am able to program the MSP430F6749, I tried to connect to the calibration software I am not able to achieve the communication with the MSP430F6749A.

This is the request from the calibration software

Data at the MSP430F6749A at the RX pin

over 1 year ago

+1 Xiaodong LI over 1 year ago

TI__Mastermind 20005 points

Hi

Thanks for your post！

Which MSP430F6749A board are you using?

Have you check your supply voltage of your board?

Do you have an EVM for comparison test?

Can this ticket provide help to you?

https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/832762/msp430i2041-hid-bridge-msp-exp430f5529lp-is-not-communicating-with-energy-measurement-design-center-gui-and-energy-meter/3092811?tisearch=e2e-sitesearch&keymatch=EMDC%2520disconnected#3092811

0 prasad shiva over 1 year ago in reply to Xiaodong LI

Prodigy 80 points

It's a custom board which had built by taking reference of MSP430F6779

0 prasad shiva over 1 year ago in reply to prasad shiva

Prodigy 80 points

I tried using IAR IDE, looks it's not getting out of this loop file name: pmm.c line no 306

0 prasad shiva over 1 year ago in reply to prasad shiva

Prodigy 80 points

Som times its not getting out of the bellow while loop in usc.c page : line no 897

0 Johnson He over 1 year ago in reply to prasad shiva

TI__Mastermind 28286 points

Hi Shiva,

I think you need to check external crystal if normal, the USCTL7 flag is related with crystal.

Thanks!

Best Regards

Johnson

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