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Sundance SMT349 User Manual

Page 30

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Version 2.1

Page 30 of 32

SMT349 User Manual

12.4.14 LEDs.

There are 4 LEDS on the SMT349. Here are how they are used within the standard
firmware:

LED0: Flashing on the on-board crystal. Should start flashing as soon as the FPGA is
configured with standard formware

LED1: AuxBit from the IF/RF device. ON means that the synthesizer has locked.

LED2: Connected to bit0 of register address.

LED3: Connected to bit1 of register address.