Texas Equipment ADC14X250EVM, User Manual

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Jumper, Connector, and LED Descriptions
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6 Jumper, Connector, and LED Descriptions
6.1 Jumper Descriptions
The EVM jumpers are shown in Table 7 as well as the default settings for the jumpers. Use this table to
reset the EVM in the default configuration, in case of issues.
Table 7. Jumper Descriptions and Default Settings
Jumper Description Default
Setting
SW1 LMK_SYNC push-button. Can be used to initiate the LMK04828 device SYNC function. N/A
SW2 LMK_RESET push-button. Can be used to reset the LMK04828 device. N/A
SW3 SYSREF_SW push-button. Can be used to generate a SYSREF signal edge at the ADC’s SYSREF N/A
input. (Components on EVM are not fully populated for this function by default)
6.2 Connector Descriptions
The EVM connectors and their functions are described in Table 8 .
Table 8. Connector Descriptions
Connector Description
J1 (+5V IN) 5 V power connector
J2 (VIN+) VIN+ analog input to ADC via transformer network. Grounded by default.
J3 (VIN–) VIN– analog input to ADC via transformer network
J4 (CLK) Sampling Clock input for ADC via transformer network
J5 (SYSREF) SYSREF input for ADC via transformer network
J6 (REFCLK) Optional reference output from LMK04828
J7 (EXTREF) Optional reference input to LMK04828 CLKin1 or OSCin inputs
J8 FMC connector that connects to data capture card
J9 USB interface connector for device configuration
6.3 LED Descriptions
The EVM LEDs are described in Table 9 .
Table 9. LED Descriptions
LED Description
SYNC Indicates status of JESD204B link
OFF: JESD204B link is not established
ON: JESD204B link is established
14 ADC14X250EVM Evaluation Module SLAU625 – November 2015
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