Usb Monitor Led (Zled3); Programmable Flag Push Buttons (Sw1-4); Interrupt Push Buttons (Sw5-7) - Analog Devices ADSP-21161N EZ-KIT Lite Manual

USB Monitor LED (ZLED3)

The USB monitor LED (
been initialized successfully, and you can connect to the processor using a
VisualDSP++ EZ-KIT Lite session. Once the USB cable is plugged into
the board, it takes approximately 15 seconds for the USB monitor LED to
light. If the LED does not light, try cycling power on the board and/or
reinstalling the USB driver (see the VisualDSP++ Installation Quick Refer-
ence Card).
When VisualDSP++ is actively communicating with the EZ-KIT
Lite target board, the LED can flicker, indicating communications
handshake.
Programmable Flag Push Buttons (SW1–4)
Four push buttons (
The push buttons connect to the processor's
are active high and, when pressed, send a high (
to "Flag Pins" on page 1-9
ence designators and corresponding flags are summarized in
Table 2-12. Flag Switches
Flag Pin Push Button Reference
Designator
FLAG0 SW1
FLAG1 SW2
Interrupt Push Buttons (SW5–7)
Three push buttons (
rupts. The push buttons connect to the processor's programmable flag
pins. The push buttons are active high and, when pressed, send a high
ADSP-21161N EZ-KIT Lite Evaluation System Manual
www.BDTIC.com/ADI
ADSP-21161N EZ-KIT Lite Hardware Reference
) indicates that USB communication has
ZLED3
) are provided for general-purpose user input.
SW1—4
for more information. The push button refer-
FLag Pin
FLAG2
FLAG3
) are provided for general-purpose user inter-
SW5—7
pins. The push buttons
FLAG
) to the processor. Refer
1
Table
Push Button Reference
Designator
SW3
SW4
2-12.
(1)
2-15