ADSP-BF538F EZ-KIT Lite Evaluation System Manual
2-19
ADSP-BF538F EZ-KIT Lite Hardware Reference
User LEDs (LED2–6)
Five LEDs connect to five general-purpose IO pins of the processor (see
). The LEDs are active high and are lit by writing a
1
to the
correct
PC
signal. Refer to
“LEDs and Push Buttons” on page 1-13
for
more information about how to use flash memory when programming the
LEDs.
USB Monitor LED (ZLED3)
The USB monitor LED (
ZLED3
) indicates that USB communication has
been initialized successfully, and you can connect to the processor using a
Vi+ EZ-KIT Lite session. This takes approximately 15 seconds.
If the LED does not light, try cycling power on the board and/or
re-installing the USB driver (see the Vi+ Installation Quick Refer-
ence Card).
L
When Vi+ is actively communicating with the EZ-KIT
Lite target board, the LED can flicker, indicating communications
handshake.
Table 2-15. User LEDs
LED Reference Designator
Processor Programmable Flag Pin
LED2
PC5
LED3
PC6
LED4
PC7
LED5
PC8
LED6
PC9
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