LEDs

LimeSDR Mini board comes with three dual colour (red and green (RG)) indication LEDs. These LEDs are soldered on the top of the board near RF connectors.

../../_images/LimeSDR-Mini_v2.2_components_LEDs.png

Figure 8. LimeSDR Mini v2.2 indication LEDs (top)

LEDs are connected to FPGA, hence their function may be programmed according to the user requirements. Default LED configuration and description are shown in Table 8.

Table 8. Default LEDs configuration

Board reference

Schematic name

FPGA pin

Comment

LED1

FPGA_LED1_R

V17

Board status:

Blinking green = LMK_CLK clock is running;

Red = USB control port is active.

FPGA_LED1_G

R16

LED2

FPGA_LED2_R

R18

(FPGA_GPIO5)

RX status:

Green = DIQ data receive enabled;

Off = DIQ data receive disabled.

Shared with FPGA_GPIO4 and FPGA_GPIO5.

FPGA_LED2_G

M18

(FPGA_GPIO4)

LED3

FPGA_LED3_R

R17

(FPGA_GPIO7)

TX status:

Red = transmitting DIQ data;

Off = no activity.

Shared with FPGA_GPIO6 and FPGA_GPIO7.

FPGA_LED3_G

T17

(FPGA_GPIO6)