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Original question:

TMS320F28P650DK: Buck Regulator Control with C2000 at 3MHz Switching Frequency

TMS320F28P650DK: State of I/O During Boot-Up

Mike Allette
Intellectual 365 points

Part Number: TMS320F28P650DK

Tool/software:

Hi,

What is the state of the I/O during boot-up on the MCU? What are ways to make sure the I/O is at a known state during boot-up?

Also, is the I/O at a high impedance state during power up before XRS is released?