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TMS320F280049: Hardware design for F280049

Part Number: TMS320F280049

Dear C2000 expert,

Regarding to the XRSn pin connection, I see this pin connects to an external device(TPS3702CX33DCR) in LAUNCHXL_F280049C, is this device necessary for F280049's reset circuit design? If I don't want to use external chip, what's your suggestions of connecting this pin? Thanks...