SNAU252 June   2020 LMK04832-SP

 

  1.   LMK04832EVM-CVAL User’s Guide
    1.     Trademarks
    2. 1  Evaluation Board Kit Contents
    3. 2  Quick Start
      1. 2.1 Quick Start Description
        1. 2.1.1 Clock Outputs Page Description
        2. 2.1.2 TICS Pro Tips
    4. 3  PLL Loop Filters and Loop Parameters
      1. 3.1 PLL1 Loop Filter
      2. 3.2 PLL2 Loop Filter
    5. 4  Default TICS Pro Mode
    6. 5  Using TICS Pro to Program the LMK04832-SP
      1. 5.1 Start TICS Pro Application
      2. 5.2 Select Device
      3. 5.3 Program the Device
      4. 5.4 Restoring a Default Mode
      5. 5.5 Visual Confirmation of Frequency Lock
      6. 5.6 Enable Clock Outputs
    7. 6  Evaluation Board Inputs and Outputs
    8. 7  Recommended Test Equipment
    9. 8  Length Matching
    10. 9  Schematics
    11. 10 Bill of Materials
  2.   A TICS Pro Usage
    1.     A.1 Communication Setup
    2.     A.2 User Controls
    3.     A.3 Raw Registers Page
    4.     A.4 Set Modes Page
    5.     A.5 Holdover Page
    6.     A.6 CLKinX Control Page
    7.     A.7 PLL1 and 2 Page
    8.     A.8 SYNC / SYSREF Page
    9.     A.9 Clock Outputs Page
    10.     A.10 Other Page
    11.     A.11 Current Calculator Page
    12.     A.12 Burst Page

8 Length Matching

Specific traces on the LMK04832EVM-CVAL were length matched to ensure device functions such as skew and 0-delay mode phase could be tested. Table 6 contains the lengths of each of the traces on the EVM.

Table 6. Differential Pair Lengths

Function Net Names Length (mil)
Skew CLKout0_P, CLKout0_N, CLKout1_P, CLKout1_N 3977.5 ± 0.5
0-delay Mode Phase, Skew CLKin1_P, CLKin1_N, OSCout_P, OSCout_N
CLKout6_P, CLKout6_N, CLKout7_P, CLKout7_N, CLKout8_P, CLKout8_N
SYNC		 4539.5 ± 0.5
Skew CLKout2_P, CLKout2_N, CLKout3_P, CLKout3_N, CLKout4_P, CLKout4_N, CLKout5_P, CLKout5_N, CLKout9_P, CLKout9_N,CLKout10_P, CLKout10_N, CLKout11_P, CLKout11_N, CLKout12_P, CLKout12_N, CLKout13_P, CLKout13_N 4240.5 ± 0.5
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