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SN65DSI86: SN65DSI86 VSYNC on GPIO3

Part Number: SN65DSI86


Hi all,

I have to interface a GPU with DSI output bus to the SN65DSI86. I have these signals: DSI_CLK_TX_P/N, DSI_DATA0_TX_P/N, DSI_DATA1_TX_P/N, DSI_DATA2_TX_P/N, DSI_DATA3_TX_P/N, and a VSYNC (input).

I found in the datasheet of SN65DSI86 that GPIO3 can be configured as a DSIA VSYNC. Is this VSYNC an output or an input? What is the function? Can I connect this signal on my GPU?

Thank you