Board Reset Push Button (Sw2); Interrupt Push Buttons (Sw3-5) - Analog Devices ADSP-21160 EZ-KIT Lite Manual

LEDs and Push Buttons

Board Reset Push Button (SW2)

The push button (
RESET
exception is the USB interface chips. These chips are not being reset when
the push button is pressed after the USB cable has been plugged in and
communication correctly initialized with the PC. After USB communica-
tion has been initialized, the only way to reset the USB is by powering
down the board.
Interrupt Push Buttons (SW3–5)
Three push buttons connect to the three processor
always input and, when asserted (
processor goes to the corresponding interrupt vector. Refer to
Pins" on page 1-9
programming the processor. The push button reference designators and
corresponding interrupt signals are summarized in
Table 2-5. Interrupt Push Buttons
Interrupt Signal
IRQ0
IRQ1
IRQ2
2-10
www.BDTIC.com/ADI
) resets all of the ICs on the board. The only
SW2
) and when interrupts are enabled, the
0
for more information about the use of the IRQs when
Push Button Reference Designator
SW3
SW4
SW5
ADSP-21160 EZ-KIT Lite Evaluation System Manual
pins. The pins are
~IRQ
"Interrupt
Table 2-5.