Datasheet

LEDs and Push Buttons
2-16 ADSP-21262 EZ-KIT Lite Evaluation System Manual
Push Buttons (SW4–1)
Four push buttons (SW4–1) are provided for general-purpose user input.
Two of the push buttons connect to the processor’s FLAG pins. The other
two connect to the processor’s DAI. The push buttons are active high and,
when pressed, send a high (1) to the processor. Refer to “LEDs and Push
Buttons” on page 1-11 for more information. The push button enable
switch (SW9) is capable of disconnecting the push buttons from the corre-
sponding processor pin (refer to “Push Button Enable Switch (SW9)” on
page 2-12 for more information). The processor signals and correspond-
ing push buttons are summarized in Table 2-7.
Board Reset Push Button (SW5)
The RESET push button (SW5) resets all of the ICs on the board.
Table 2-7. Push Button Connections
Processor
Signal
Push Button Reference
Designator
Processor
Signal
Push Button Reference
Designator
FLAG1
SW1 DAI_P19 SW3
FLAG2 SW2 DAIP_20 SW4