Texas Instruments ADS54J20EVM User Manual Download Page 17

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LED Descriptions

SLAU687 – May 2016

Jumper, Connector, and LED Descriptions

A.3

LED Descriptions

The EVM LEDs are described

Table 8. LED Descriptions

Connector

Description

Not used

5 VDC power present

LMK04828 locked to VCXO

VCXO locked to external reference applied to J6

Summary of Contents for ADS54J20EVM

Page 1: ...Setup Procedure 5 2 3 Software Setup Procedure 6 2 4 Quick Start Trouble Shooting 10 3 Optimizing Evaluation Results 11 3 1 Clocking Optimization 11 3 2 Coherent Input Source 11 3 3 HSDC Pro Settings...

Page 2: ...ol for high speed data converter evaluation The ADS54J20EVM was also designed to work with many of the development kits from leading FPGA vendors that contain an FMC connector 1 1 Required Hardware Th...

Page 3: ...Identification Summary The EVM features are labeled in Figure 1 Figure 1 EVM Feature Locations 1 4 References ADS54J20EVM software available at www ti com tool ADS54J20EVM ADS54J20 datasheet SBAS766 a...

Page 4: ...4J56 to the computer for the first time 2 1 1 ADS54Jxx EVM GUI Installation The ADS54Jxx EVM GUI is used to control the ADS54J20EVM It must be used to properly configure the devices on the EVM 1 Downl...

Page 5: ...EVM is shown in Figure 2 This is the test setup used for the quick start procedure The rest of this section describes the hardware setup steps Figure 2 Quick Start Test Setup 2 2 1 TSW14J56EVM Setup F...

Page 6: ...d once the hardware is properly setup 2 3 1 ADS54J20 GUI Configuration 1 Open the ADS54Jxx EVM GUI by going to Start Menu All Programs Texas Instruments ADCs ADS54Jxx EVM GUI 2 Verify that the green U...

Page 7: ...a Converter Pro by going to Start Menu All Programs Texas Instruments High Speed Data Converter Pro The GUI main page looks as shown in Figure 4 Figure 4 HSDC Pro GUI Main Panel 2 When prompted to sel...

Page 8: ...lick Yes and wait for the firmware to download to the TSW14J56 This takes about 30 40 seconds 7 Enter 983 04M into the ADC Output Data Rate field at the bottom left corner then click outside this box...

Page 9: ...red data of Channel 1 should look like Figure 5 and the performance should be similar to Table 1 If this result is not achieved then see the Quick Start Troubleshooting section of this document Figure...

Page 10: ...us update Device GUI is not working properly Verify that the USB cable is plugged into the EVM and the PC Check the computer s Device Manager and verify that a USB Serial Device is recognized when the...

Page 11: ...ecisely to capture an integer number of cycles of the input frequency sometimes called coherent frequency This may yield better SNR results The clock and analog inputs must be frequency locked such as...

Page 12: ...54Jxx Enables control of the ADS54Jxx features None of these controls need to be touched for basic operation Instead use the Low Level View tab to load configuration files LMK04828 Enables control of...

Page 13: ...the Write Data field This button must be clicked after changing bits in the register data section Write All button Update all registers shown in the Register Map with the values shown in the Register...

Page 14: ...installed and installed at C64 and C72 The LMK04828 must still be used to provide the device clock to the TSW14J56 and the SYSREF signals to both boards This option provides the best performance as lo...

Page 15: ...shorted to turn on the onboard VCXO The internal PLLs of the LMK04828 can be used with the onboard VCXO to generate the desired frequencies To use this mode load one of the configuration files named...

Page 16: ...hunt pins 1 2 SJP1 Selects either 3 3 V or GND for Y1 enable Default is open Open SJP3 Selects either diff sync or single ended sync from FMC Default is diff Shunt pins 2 3 A 2 Connector Descriptions...

Page 17: ...016 Texas Instruments Incorporated Jumper Connector and LED Descriptions A 3 LED Descriptions The EVM LEDs are described Table 8 Table 8 LED Descriptions Connector Description D3 Not used D4 5 VDC pow...

Page 18: ...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...

Page 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS54J20EVM...