DS90UB941AS-Q1: UB941AS+UB948 Setting

Hi Jerry, 

I want to clarify some of your settings because I am not sure if there are typos. Are you running standard 1080p  because your panel is 1920x720p. 
I tried to calculate the pclk for you, 1920*720*60fps*1.10(blanking overhead)  = 91 MHz. 
Please tell me if my assumption is wrong. Also the 948 is limited to 96 Mhz pclk, so you cannot do a 105 MHz pclk for for single fpd-link. If you would like to run dual fpd-link, this is fine. If you clarify the details , I can provide you the register writes. 

Thanks, 
Sally 

Hi Sally,

You are right.The panel shows 1920*720 and the LVDS CLK is 44.1MHz. BTW, the LVDS format supports VESA, does UB948 could support it?

Hi Jerry, 

WriteI2C (0x1E,0x01) //Select FPD-Link III Port 0
WriteI2C (0x03,0x9A) //Enable I2C_PASSTHROUGH, FPD-Link III Port 0
WriteI2C (0x40,0x04) //Select DSI Port 0 digital registers
WriteI2C (0x41,0x21) //Select DSI_CONFIG_1 register
WriteI2C (0x42,0x60) //Set DSI_VS_POLARITY=DSI_HS_POLARITY=1
WriteI2C (0x4F,0x8C) //Set DSI_CONTINUOUS_CLOCK, 4 lanes, DSI Port 0
WriteI2C (0x1E,0x01) //Select FPD-Link III Port 0
WriteI2C (0x40,0x04) //Select DSI Port 0 digital registers
WriteI2C (0x41,0x05) //Select DPHY_SKIP_TIMING register
WriteI2C (0x42,0x18) //Write TSKIP_CNT value for 264.6 MHz DSI clock frequency (1080p, PCLK = 88.2 MHz)
WriteI2C (0x0E,0x33) //GPIO1/2 for Input
WriteI2C (0x0F,0x03) //GPIO3 for Input
WriteI2C (0x10,0x33) //GPIO5/6 for Input

Please add a line of code for register 0x5B. Make sure to set the it for STP/Coax and the Mode (forced dual)

I will check to see if it supports VESA

Hi Sally,

Thanks, how about the UB948 initial code?

Hi Sally,

I set the UB948 as the below, any register is must to be set? BTW, my panel is VESA format, does UB948 support it? Thanks!

DS90UB948

WriteI2C (0x1E,0x44) //GPIO1, 2 for remote

WriteI2C (0x1F,0x04) //GPIO3 for remote

WriteI2C (0x20,0x44) //GPIO5, 6 for remote