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DS90UB948-Q1: HS, VS Polarity config

Part Number: DS90UB948-Q1

Tool/software:

Team,

UB948 FRC_CONTROL Register (Address = 0x29) bit 5,6 HS, VS Polarity setup.

UB941 DSI_CONFIG_1 Register (Offset = 0x21) bit 5,6 HS, VS Polarity setup.

When should I program these bits?

In current customer project, HS, VS Polarity setup mess up. (SoC set to Low, UB941 set to Low, UB948 set to H, Screen need L)

But display is all good. Why is it?

Thanks