UG-400 Hardware User Guide
Rev. 0 | Page 18 of 20
LEDs
There are 10 LEDs on the ezLINX evaluation board. The red
LED6 illuminates to indicate when the reset button is being
pressed. The orange LED10 illuminates to indicate when the
isolated USB port is connected to a USB port on the PC. The
green LED7 illuminates to indicate when the board is powered.
The orange LED1 illuminates to indicate when the uClinux
kernel and application finishes booting up.
Table 4 describes the functionality and connections of the LEDs
for the ADSP-BF548 and other circuitry.
Table 3.
LED ADSP-BF548 Port Function
LED1 PD6 Illuminates when the uClinux kernel and application finishes booting up. This LED can also be used
as a general-purpose indicator that can be turned on and off through software.
LED2 PD7 General-purpose indicator that can be turned on and off through software.
LED3 PD8 General-purpose indicator that can be turned on and off through software.
LED4 PD9 General-purpose indicator that can be turned on and off through software.
LED5 PD10 General-purpose indicator that can be turned on and off through software.
LED6 PD11 General-purpose indicator that can be turned on and off through software.
LED7 Not Applicable Illuminates when the 3.3 V power supply is available.
LED8 Not Applicable Illuminates when the reset button is pressed.
LED10 Not Applicable Illuminates when the VBUS voltage from the USB host is connected.
