Hi Ti Team，
I have a headset project that uses MSP430FR5738, please help to check whether the schematic diagram is correct?
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Overall, the schematic looks okay. It seems the board is using a customer programming connector, so I can't confirm the exact connections for the programmer but that will be up to the customer's programming cable.
A few notes:
- Port J is not interruptable. I'm not sure what it will be used for, but wanted to point this out now.
- RGB LED Timer. TB0.0 is typically used to set the PWM Period, and TB0.1 and TB0.2 are then used to set Duty cycle of PWM outputs. In this application, all 3 channels need to be used to control Duty cycles. There are only 2 real ways to do this:
1. Run the timer in "continuous" mode, meaning it will count all the way up to 0xFFFF then overflow so period = Timer Clock/0xFFFF. But all 3 CCRx channels will be free.
2. A more involved software solution such is explained in this app note: https://www.ti.com/lit/an/slaa513a/slaa513a.pdf?ts=1619480515329&ref_url=https%253A%252F%252Fwww.google.com%252F
I think option 1 will probably work for this application, but I wanted to bring this up now.
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