Texas Instruments ADS42JBx9 User Manual Download Page 9

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Software Control

2.2.5

LMK Controls

Click the LMK04828 Outputs tab located at the top left of the GUI. A new window opens as shown in

Figure 6

. The top panel displays a block diagram of the LMK04828. Clicking on a blue colored option

opens a new panel in the lower section of the GUI for control of that section.

Figure 6. LMK04828 Outputs Control Window of the ADS42JBx9 GUI

2.2.5.1

Divider, Digital Delay, Analog Delay Controls

The default lower panel is for output control. This is the block called Divider, Digital Delay, Analog Delay in
the block diagram. In this panel the desired parameters are set for all Device clocks and SYSREF clocks.
These controls include divide value, format, delay, and power down, for example. Consult the LMK04828
data sheet and design tools for more information regarding these outputs and the options available for
controlling these outputs.

9

SLAU468A – November 2012

ADS42JBx9 System Evaluation Kit

Submit Documentation Feedback

Copyright © 2012, Texas Instruments Incorporated

Summary of Contents for ADS42JBx9

Page 1: ...e found in the design package under the ADS42JBx9SEK product folder on www ti com Contents 1 Introduction 2 1 1 Overview 2 1 2 Block Diagram 2 2 Software Control 3 2 1 Installation Instructions 3 2 2...

Page 2: ...e JESD204B subclass 1 clocking solution The ADS42JB69 and LMK04828 are controlled through an easy to use software GUI enabling quick configuration for a variety of uses The JESD204B translation card c...

Page 3: ...pin SW3 CPLD Switch inputs to CPLD Currently not used SW2 Reset CPLD CPLD reset SJP12 ADC CNTRL1 pin Not used by ADC Connected to GND JP3 ADC CNTRL2 pin Not used by ADC Connected to GND JP6 XO_PWR Pro...

Page 4: ...evel view of the GUI which contains the block diagram of the ADS42JBx9 Clicking the blue blocks in the diagram brings up the controls for that block Along the top of the GUI are SEND READ SAVE and LOA...

Page 5: ...www ti com Software Control Figure 2 Top Level Block Diagram Windor47 4 30436 7 e 0 Td Ton49en4 10 e 0 Blor47 4 3of0 Td...

Page 6: ...Software Control www ti com 2 2 2...

Page 7: ...annel A Ch B Gain Enable Enable or disable the gain feature of channel B Ch B Gain Set the gain of channel B Test Pattern A Selects a known test pattern a custom test pattern or normal operation for c...

Page 8: ...ols window shown in Figure 5 Use the ADS42JBx9 data sheet for reference to assist with the descriptions of these various controls Figure 5 JESD204B Controls Window of the ADS42JBx9 GUI 8 ADS42JBx9 Sys...

Page 9: ...tal Delay Analog Delay Controls The default lower panel is for output control This is the block called Divider Digital Delay Analog Delay in the block diagram In this panel the desired parameters are...

Page 10: ...Software Control www ti com...

Page 11: ...ese values are properly entered and PLL1 becomes locked LED D1 LMK Locked on the ADS42JBx9EVM illuminates Some reasons for this not illuminating are using the wrong divider values or the reference osc...

Page 12: ...clock design tools when determining external PLL loop filter components Go to the LMK04828 product folder on the TI website to download this tool and other application notes Figure 9 LMK04828 PLL2 Con...

Page 13: ...in Figure 10 This panel controls the SYSREF output global settings of the LMK04828 The settings made in this panel apply to all SYSREF outputs Figure 10 LMK04828 SYSREF Settings 13 SLAU468A November...

Page 14: ...core can be found at www xilinx com Table 4 Input and Output Connectors Jumpers and Switches Description of the JESD204B Translation Card Component Description J4 JESD204B FMC connector Interfaces to...

Page 15: ...VS pin voltage to either 3 3 V or GND Default is 3 3 V SJP8 SJP11 Power monitor program pin interface Selects either J14 or USB Default is J14 3 Basic Test Setup This section outlines basic testing of...

Page 16: ...Basic Test Setup www ti com Figure 11 Test Setup 16 ADS42JBx9 System Evaluation Kit SLAU468A November 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated...

Page 17: ...ser s Guide SLWU079 for a more detailed explanation of the TSW1400 setup and its features This document assumes that the HSDCPro software and the TSW1400 pattern capture and generation board are both...

Page 18: ...f SYSREF click on the LMK04828 Outputs tab then click on the SYSREF button In the lower panel go to the MUX panel and set this to SYSREF PULSES This will turn off all of the SYSREF outputs of the LMK...

Page 19: ...5 Select Single Tone from the Test Selection drop down menu 6 At the bottom left corner enter 250M in the ADC Sampling Rate Fs box If using a coherent frequency input select Auto Calculation of Cohere...

Page 20: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 21: ...ompliance could void the user s authority to operate the equipment Concerning EVMs including radio transmitters This device complies with Industry Canada licence exempt RSS standard s Operation is sub...

Page 22: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Page 23: ...minimize the risk of electrical shock hazard 3 You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage injury or death even if the EVM should fa...

Page 24: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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