SN65DSI86-Q1: What does GPIO 4 Do?

Harsh b

Part Number: SN65DSI86-Q1

Where to use this GPIO 4?
what happens when GPIO4 is pulled up and pulled down?

0 David (ASIC) Liu over 3 years ago

Hi,

GPIO4 by default is input, but can be configured through the register to be pulse width modulation (PWM) controlling the brightness of eDP display.

Unused GPIO needs to be pulled down or tied to GND.

Thanks

David

0 Harsh b over 3 years ago in reply to David (ASIC) Liu

So what does it signify when it is pulled high or pulled low?

0 David (ASIC) Liu over 3 years ago in reply to Harsh b

Hi,

Is GPIO4 being programmed as an input? If this is the case, then there is no function associated with GPIO4 being pulled high or low.

Thanks

David

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