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TMDS171: Page1 Registers Description

Domenico Mancusi
Prodigy 100 points
Part Number: TMDS171

Hallo Team,

on our board with TMDS171 device, from an error free condition (OK) to another w/o image on the display (KO), the following registers on Page1 change values (by EyeScan Tool reading),

could I have the description of these?

PAGE 1

Address
(hex)

Value OK
(hex)

Value KO
(hex)

00

C3

02

01

01

00

08

00

01

32

08

0F

36

00

88

37

00

08

39

00

08

3A

00

08

44

D8

FF

48

0F

FF

49

80

FF

4A

01

FF

4E

98

77

4F

79

77

 

We need to trigger some fault conditions in order to apply some FW/SW correction routine.

Regards.

  • 0
    TI__Mastermind 23815 points
    Hi Domenico,

    Could you elaborate what you do when moving from the OK condition to the KO?
    From these registers the important is register 0x00
    [0] -> retimer mode, PLL enabled
    [1] -> device is operating
    [7:6] -> PLL locked
    The OK condition means the device is working in retimer mode and the PLL is locked, in the KO condition the device is in redriver mode.

    Regards