Jp3 - Rtc Power Jumper; Jp4 - Usb Id; S5 - Button; General Purpose Leds - Blue Technix DEV-BF548-Lite Hardware User Manual

5.6 JP3 – RTC Power Jumper
This jumper is used to connect the VddRTC pin of the Core Module to 3.3V. You can also
use this jumper to connect a battery to the internal RTC of the Blackfin.´
5.7 JP4 – USB ID
Short jumper JP4 to tie USB ID to GND on the USB-OTG Connector X13.

5.8 S5 - Button

The button S5 is a GPIO Button and connects to PH7.

5.9 General Purpose LEDs

Designator
V14
V15

5.10 Ethernet LEDs

5.11 LEDs of the Debug Agent

Blackfin DEV‐BF548‐Lite & DEV‐BF548DA‐Lite Hardware User Manual
Function
GPIO LED
GPIO LED

Table 5-3: Core Module LEDs

Designator Color
V1 Yellow
V2 Green
V3 Green

Table 5-4: Ethernet LEDs

Designator Color
V9 Green
V10 Green
V11 Green
V12 Green

Table 5-5: LEDs for the Debug Agent

maximum performance at minimum size
Blackfin GPIO
PH6
PH5
Description
Fullduplex
Activity
100MB Speed LED
Description
Flag0
Flag1
Monitor
Pr. done
Tinyboards
Page 17