DS90UB941AS-Q1: How to configure 941 using external clk as dsi clk (External Reference Clock Mode)?

user6238944

Part Number: DS90UB941AS-Q1

hi ti team

How to configure 941 using external clk as dsi clk (External Reference Clock Mode)?

0 Michael.Walker over 4 years ago

Hi,

You can do this by setting the MODE_SEL1 to Mode No. 0 to 3. you can also set this using the BRIDGE_CTL Register.

Regards,

Michael W.

0 user6238944 over 4 years ago in reply to Michael.Walker

Hi Michael W

Thanks for your reply.

Could you please give me a example for 1920*720*60 output with external clock? the crystal oscillator we use is 25M on REFCLK0.

0 Michael.Walker over 4 years ago in reply to user6238944

Hi,

I forgot to mention you can also configure it using the BRIDGE_CFG2 register.

To use an external reference clock you must set the clock to your PCLK frequency so it would be the H_total * V_total * FPS = PCLK.

Regards,

Michael W.

Interface forum