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User's Guide
LMK04832SEPEVM User's Guide
The LMK04832SEPEVM (EVM) is designed to evaluate the performance and features of the LMK04832-SEP
Space Grade Ultra-Low-Noise JESD204B Dual-Loop Clock Jitter Cleaner from Texas Instruments. The user's
guide describes how to set up and operate the EVM. The LMK04832-SEP device on each EVM is an
Engineering Model, intended for engineering evaluation only. The devices and EVMs are not suitable for
qualification, production, radiation testing or flight use.
Contents..............................................................................................................................................2
Start...............................................................................................................................................................................2
2.1 Quick Start Description......................................................................................................................................................
Filter.................................................................................................................................................................4
Filter.................................................................................................................................................................4
4 Default TICS Pro Mode...........................................................................................................................................................
5.1 Start TICS Pro Application.................................................................................................................................................
5.2 Select Device.....................................................................................................................................................................
5.3 Program the Device...........................................................................................................................................................
5.4 Restoring a Default Mode..................................................................................................................................................
5.6 Enable Clock Outputs........................................................................................................................................................
6 Evaluation Board Inputs and Outputs..................................................................................................................................
7 Recommended Test Equipment..........................................................................................................................................
8
Schematics............................................................................................................................................................................13
9 Bill of Materials.....................................................................................................................................................................
Upgrade..............................................................................................................................................21
B TICS Pro Usage....................................................................................................................................................................
11.1 Communication Setup....................................................................................................................................................
Controls..................................................................................................................................................................26
Page.......................................................................................................................................................27
Page.............................................................................................................................................................28
Page................................................................................................................................................................29
11.6 CLKinX Control Page.....................................................................................................................................................
Page............................................................................................................................................................31
Page...................................................................................................................................................32
Page........................................................................................................................................................33
11.10 Other Page...................................................................................................................................................................
11.11 Burst Mode Page..........................................................................................................................................................
Trademarks
PLLatinum
™
is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.
SNAU282 - SEPTEMBER 2022
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ABSTRACT
Table of Contents
Parameters................................................................................................................................4
LMK04832-SEP..................................................................................................................5
Lock..............................................................................................................................7
Copyright © 2022 Texas Instruments Incorporated
Table of Contents
LMK04832SEPEVM User's Guide
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Summary of Contents for Texas Instruments LMK04832SEPEVM
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Page 1: Table Of Contents
LMK04832SEPEVM User’s Guide ABSTRACT The LMK04832SEPEVM (EVM) is designed to evaluate the performance and features of the LMK04832-SEP Space Grade Ultra-Low-Noise JESD204B Dual-Loop Clock Jitter Cleaner from Texas Instruments. The user’s guide describes how to set up and operate the EVM. The LMK04832-SEP device on each EVM is an Engineering Model, intended for engineering evaluation only. -
Page 2: Evaluation Board Kit Contents
Table 1-1. EVM Contents HSDC140 Evaluation Board LMK04832SEPEVM Evaluation Board with VCXO (1) USB cable USB Cable A Plug to Micro B Plug cable (1) 2 Quick Start Figure 2-1. Quick Start Diagram 2.1 Quick Start Description... - Page 3 No effect for CLKoutX in bypass mode. 17. CLKoutX_Y_PD: Power down the entire CLKoutX_Y clock pair. 18. SCLKX_Y_DDLY: The SYSREF clock digital delay setting. SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 4: Pll Loop Filters And Loop Parameters
The loop filters on the LMK04832SEPEVM evaluation board are set up using the approach above. The loop filter for PLL1 has been configured for a narrow loop bandwidth (< 1 kHz). The specific loop bandwidth values depend on the phase noise performance of the oscillator mounted on the board. -
Page 5: Default Tics Pro Mode
5.1 Start TICS Pro Application Click Start → Programs → Texas Instruments → TICS Pro. The TICS Pro program is installed by default to the Texas Instruments application group. 5.2 Select Device Click Select Device → Clock Generator/Jitter Cleaner (Dual Loop) → LMK04832-SEP. -
Page 6: Program The Device
It is possible to disable this functionality by ensuring there is no checkmark by the Options → AutoUpdate. LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 7: Restoring A Default Mode
SCLKX_Y_PD = 0 in Clock Mode Select box Phase of the SYSREF clock can be adjusted: 1. Local digital delay can be set with SCLKX_Y_DDLY. SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 8 TI recommends leaving the output floating close to the IC. Alternatively, place a 50-Ω termination at the end of an unused trace. 5. The phase noise may be measured with a spectrum analyzer or signal source analyzer. LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 9: Evaluation Board Inputs And Outputs
(normal, inverted, inverted, and off/tri- state). Best performance/EMI reduction is achieved by using a complementary output mode like Norm/Inv. TI does NOT recommend using Norm/Norm or Inv/Inv mode. SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 10 SIGNAL TYPE, INPUT/OUTPUT DESCRIPTION Main power supply input for the evaluation board. The LMK04832SEPEVM default is setup to use the TPS73801-SEP voltage regulator. This is a space grade (SEP) voltage regulator. 0-Ω resistors R93, R94 and R95 can be re-configured to route...
- Page 11 By the default TICS Pro configuration, LEDs will illuminate green Status_LD2(TP7) when lock is detected (output is high) and turn off when lock is lost (output is low). SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 12: Recommended Test Equipment
TI recommends using phase-matched, 50-Ω cables to minimize external sources of skew or other errors/distortion that may be introduced if using oscilloscope probes. LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 13: Schematics
8 Schematics The components on the EVM can be found on the following schematic by searching for their reference designators. Figure 8-1. Schematic - LMK04832-SEP SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 14 Schematics www.ti.com Figure 8-2. Schematic - Power Supply Figure 8-3. Schematic - Digital LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 15 Schematics Figure 8-4. Schematic - Clock Outputs 1 of 2 Figure 8-5. Schematic - Clock Outputs 2 of 2 SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 16: Bill Of Materials
Wurth Elektronik +/- 10%, X7R, 0603 C44, C48, C49, C50 CAP, CERM, 0.1 uF, 16 V, 885012206046 0603 Wurth Elektronik +/- 10%, X7R, 0603 LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 17 Grade 1, SMD LBL1 Thermal Transfer Printable THT-14-423-10 PCB Label 0.650"H x Brady Labels, 0.650" W x 0.200" 0.200"W H - 10,000 per roll SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 18 0603 RES, 10 k, 5%, 0.1 W, CRCW060310K0JNEA 0603 Vishay-Dale 0603 RES, 33 k, 5%, 0.1 W, CRCW060333K0JNEA 0603 Vishay-Dale AEC-Q200 Grade 0, 0603 LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 19 No Bypass Capacitor, 6- pin LLP, Pb-Free 150-mA Ultra-Low Noise LP5900SD-3.3/NOPB NGF0006A Texas Instruments LDO for RF and Analog Circuits Requires No Bypass Capacitor, NGF0006A (WSON-6) SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 20 20V 1A 6-Pin(5+Tab) SOT-223 Tube VCXO, CMOS 122.880 CVHD-950-122.880 CVHD-950-4 Crystek Corporation MHz, 3.3V, SMD Crystal, 24.000 MHz, ECS-240-20-5PX-TR Crystal, 11.4x4.3x3.8mm ECS Inc. 20pF, SMD LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 21: A Usb2Any Firmware Upgrade
2. The Firmware Loader pop-up window will load. Disconnect the USB cable from the EVM. Figure A-2. Firmware Loader 3. Press and hold the BSL button while you connect the USB2ANY cable. SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 22 USB2ANY Firmware Upgrade www.ti.com Figure A-3. BSL Button Location LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 23 Figure A-4. Update Firmware 5. Click Upgrade Firmware to start the firmware upgrade. Click Close after the upgrade is complete. Figure A-5. Firmware Update Complete SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
- Page 24 6. Go to USB communications → Interface in the TICS Pro software to check the USB connection. Make sure the USB Connected button is green. Figure A-6. USB Communications LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 25: B Tics Pro Usage
USB2ANY is currently selected. Devices used by other instances of TICS Pro will not display in this list. Figure 11-1. TICS Pro - Communication Setup Window SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 26: User Controls
The User Controls page has controls typically not included on one of the other dedicated pages. Figure 11-2. TICS Pro - User Controls Page LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 27: Raw Registers Page
Use the Export Register Map option to create a text file with the register values for simple re-use of the register configuration. Figure 11-3. TICS Pro - Raw Registers Page SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 28: Set Modes Page
The bottom LMK04832 sub-modes section allows further JESD204B configuration, 0-delay configuration, or clock input configuration which may apply for many of the LMK04832 modes of operation. Figure 11-4. TICS Pro - Set Modes Page LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 29: Holdover Page
In addition to the above steps, auto clock selection mode must be used to allow the LMK04832 to automatically switch to holdover when enabled clocks for auto switching (CLKinX_EN) are lost. Figure 11-5. TICS Pro - Holdover Page SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 30: Clkinx Control Page
CLKinX is selected, and change the routing options for the CLKinX inputs. You can also reset the PLL1 R or PLL2 N divider on this page. Figure 11-6. TICS Pro - CLKinX Control Page LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 31: Pll1 And 2 Page
Independent to allow the OSCin frequency to be unlinked from the external VCXO frequency. Figure 11-7. TICS Pro - PLL1 and 2 Page SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 32: Sync / Sysref Page
SYSREF_CLR = 1 during the transition to prevent glitch pulses from the SYSREF output. Figure 11-8. TICS Pro - SYNC / SYSREF Page LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 33: Clock Outputs Page
The naming convention uses X_Y for controls which can impact both CLKoutX (even clock) and CLKoutY (odd clock), X for controls impacting only CLKoutX and Y for controls impacting only CLKoutY. Figure 11-9. TICS Pro - Clock Outputs Page SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 34: Other Page
_TYPE field which allows the input or output mode of the pin to be defined. The second is the _MUX field which, when set for output, controls what the pin will output. Figure 11-10. TICS Pro - Other Page LMK04832SEPEVM User’s Guide SNAU282 – SEPTEMBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 35: Burst Mode Page
The Burst mode page allows the user to program sequences of register programming or pin control. Figure 11-11. TICS Pro - Burst Mode Page SNAU282 – SEPTEMBER 2022 LMK04832SEPEVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 36 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 37 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
- Page 38 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
- Page 39 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
- Page 40 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
- Page 41 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...
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