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LMK04906 Series
Texas Instruments LMK04906 Series Manuals
Manuals and User Guides for Texas Instruments LMK04906 Series. We have
1
Texas Instruments LMK04906 Series manual available for free PDF download: User Manual
Texas Instruments LMK04906 Series User Manual (62 pages)
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 3.32 MB
Table of Contents
Table of Contents
3
General Description
5
Evaluation Board Kit Contents
5
Available LMK04906 Evaluation Boards
5
Available LMK04906 Family Devices
5
Quick Start
6
Default Codeloader Modes for Evaluation Boards
7
Example: Using Codeloader to Program the Lmk04906B
8
Start Codeloader 4 Application
8
Select Device
8
Program/Load Device
9
Restoring a Default Mode
9
Visual Confirmation of Frequency Lock
10
Enable Clock Outputs
10
Pll Loop Filters and Loop Parameters
12
PLL 1 Loop Filter
12
25 Mhz VCXO PLL
12
PLL2 Loop Filter
13
Evaluation Board Inputs and Outputs
14
Recommended Test Equipment
21
Appendix A: Codeloader Usage
22
Port Setup Tab
22
Clock Outputs Tab
23
PLL1 Tab
26
Setting the PLL1 VCO Frequency and PLL2 Reference Frequency
27
PLL2 Tab
28
Bits/Pins Tab
29
Registers Tab
34
Appendix B: Typical Phase Noise Performance Plots
35
Pll1
35
25 Mhz VCXO Phase Noise
35
Clock Output Measurement Technique
36
Clock Outputs (Clkout)
37
LMK04906B Clkout Phase Noise
37
Appendix C: Schematics
38
Power Supplies
38
LMK04906B Device with Loop Filter and Crystal Circuits
39
Reference Inputs (Clkin0, Clkin1 & Clkin2), External VCXO (Oscin) & VCO Circuits
40
Clock Outputs (Oscout0, Clkout0 to Clkout5)
41
Uwire Header, Logic I/O Ports and Status Leds
42
Appendix D: Bill of Materials
43
Appendix E: Pcb Layers Stackup
47
Appendix F: Pcb Layout
48
Layer #1 - Top
48
Layer #2 - RF Ground Plane (Inverted)
49
Layer #3 - VCC Planes
50
Layer #4 - Ground Plane (Inverted)
51
Layer # 5 - VCC Planes 2
52
Layer #6 - Bottom
53
Layers #1 and 6 - Top and Bottom (Composite)
54
Appendix G: Properly Configuring Lpt Port
55
LPT Driver Loading
55
Correct LPT Port/Address
55
Correct LPT Mode
56
Legacy Board Port Setup
56
Appendix H: Troubleshooting Information
57
Confirm Communications
57
Confirm PLL1 Operation/Locking
57
Confirm PLL2 Operation/Locking
58
Appendix I: Evm Software and Communication
59
Option 1
59
Option 2
59
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