ADSP-21160 EZ-KIT Lite Evaluation System Manual
2-9
ADSP-21160 EZ-KIT Lite Hardware
Flag LEDs (LED2–4)
The flag LEDs connect to the processor’s flag pins (
FLAG2–0
). The LEDs
are active high and are lit by an output of “
1
” from the processor. Refer to
“LEDs and Push Buttons” on page 2-8
for more information on how to
program the processor using flags.
shows the flag signals and the
corresponding 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. If the LED does not light in approxi-
mately 15 second after the USB cable connects the board, try cycling
power on the board and/or reinstalling the USB driver (see the
Visu-
alDSP++ Installation Quick Reference Card
).
When Vi+ is actively communicating with the EZ-KIT Lite tar-
get board, the LED can flicker, indicating communications handshake.
Power LED (LED6)
When
LED6
is lit (green), it indicates that power is being properly supplied
to the board.
Table 2-4. Flag LEDs
Flag Pin
LED Reference Designator
FLAG0
LED2
FLAG1
LED3
FLAG2
LED4
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