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LMK03806: register readback fail

David Park
Expert 6770 points
Part Number: LMK03806
Other Parts Discussed in Thread: CODELOADER, USB2ANY

Tool/software:

Hi,

There is register readback fail issue under LMK03806 EVM and GUI.

procedure is as below.

1. select "LMK03806B"

2. Select "100MHz XO/TCXO Reference"

3. Read all, then status0_TP Red LED turned on with below message

Thanks.

  • 0
    TI__Genius 16845 points

    Hi David,

    Instead of Codeloader, please use TICS Pro GUI: https://www.ti.com/tool/TICSPRO-SW.

    This is the latest software GUI used to support our clocking devices.

    After install, you may find the LMK03806B profile as follows:

    Let me know if you still have questions

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    TI__Expert 6770 points

    Hi Jennifer,

    When use TICS pro, Readback fail occured.

    To select, read register, checked Raw Register but read button is inactive.

    Thanks.

  • 0 in reply to David Park
    TI__Genius 16845 points

    Hi David,

    Can you please clarify how you are connecting the device to the PC? A USB2ANY is required.

    Please let me know if you have one: https://www.ti.com/tool/USB2ANY.

    Regards,

    Jennifer

  • 0 in reply to Jennifer Bernal
    Prodigy 40 points

    Hi Jennifer,

    I am using TICS pro SW and USB2ANY.

    And I am testing Clock Outputs by connecting as below.

    As David asked, the Read Operation ICON is disabled, making it difficult to check whether LMK03806 is operating normally.

    I would like to know how to check the interface is working normally by reading the register.

  • 0 in reply to JinBae Kim
    TI__Mastermind 22970 points

    JinBae, 

    The LMK03806B profile does not offer readback. The software only supports write-only mode. 

    I have had more success using the LMK04806B GUI in VCO2 only mode with the LMK03806B board. I have attached a sample register file here that can be used as a starting point.

    Fullscreen 1172.HexRegisterValues.txt Download 
    R0 (INIT)	0x00020200
R0	0x00000C80
R1	0x00000CC1
R2	0x00000D02
R3	0x00001883
R4	0x000018C4
R5	0x00001905
R6	0x04010006
R7	0x01010007
R8	0x01010008
R9	0x55555549
R10	0x9142400A
R11	0x3401100B
R12	0x138C006C
R13	0x3B03826D
R14	0x0300000E
R15	0x8000800F
R16	0xC1550410
R24	0x00000018
R25	0x02C9C419
R26	0x8FA8001A
R27	0x1800009B
R28	0x0010001C
R29	0x008000BD
R30	0x0500029E
R31	0x001F001F

    Thanks,
    Kadeem