TMS320F28377S: F2837x VSSOSC connected to VSS

Jordan Zhou

Genius 10470 points

Part Number: TMS320F28377S

Hi,

Customer connected VSSOSC to VSS, what's the risk?

Thanks a lot.

Br, Jordan

over 5 years ago

0 Hareesh Janakiraman over 5 years ago

TI__Guru* 95315 points

The grounds are isolated to keep the noise from one domain (the crystal oscillator domain) impacting the rest of the circuit and vice versa. With a common ground, one may see diminished noise immunity.

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TMS320F28377S: F2837x VSSOSC connected to VSS