Texas Instruments ADS54J42, Руководство пользователя

Страница: 15 / 22

15 SLAU674 – February 2016
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
Jumper, Connector, and LED Descriptions
Appendix A
SLAU674 – February 2016
Jumper, Connector, and LED Descriptions
A.1 Jumper Descriptions
The EVM jumpers are shown in Table 6 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 6. Jumper Descriptions and Default Settings
Jumper Description Default setting
SW1 ADC hardware reset (active high) Logic low
SJP2 Power enable to VCXO oscillator Y1. Default is power on. Shunt 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
The EVM connectors and their function are described in Table 7 .
Table 7. Connector Descriptions
Connector Description
J2 Channel A positive analog input
J1 (Not installed) Channel A negative analog input. Used for differential input mode only.
J3 Channel B positive analog input
J4 (Not installed) Channel B negative analog input. Used for differential input mode only.
J5 External ADC sample clock input
J6 LMK04828 reference clock input
J7 JESD204B FMC connector. Interfaces to TSW14J56EVM or FPGA evaluation boards
J8 (USB) USB interface connector. Not used.
J9 (+5V IN) 5-V power supply input