Analog Devices ADSP-21369 EZ-KIT Lite Manual page 36

LEDs and Push Buttons
instructions on how to disable a push button from driving its correspond-
ing processor pin.
The state of the push buttons connected to the FLAG pins can be deter-
mined by reading the
DAI pins must be configured as interrupts. It is necessary to set up an
interrupt routine to determine each pin's state.
button and processor connections. Refer to the related example program
shipped with the EZ-KIT Lite for more information.
Table 1-2. Push Button Connections
Push Button Label
PB1
PB2
PB3
PB4
Table 1-3 summarizes the LED connections to the processor. To use the
LEDs connected to the DAI or DPI pins, configure the respective registers
of the processor. For more information, refer to the ADSP-2137x SHARC
Processor Hardware Reference (Includes ADSP-21367, ADSP-21368,
ADSP-21369, ADSP-21371, ADSP-21375).
Table 1-3. LED Connections
LED Reference Designator
LED1
LED2
LED3
LED4
LED5
LED6
1-16
register. The push buttons connected to the
FLAG
Push Button Reference Designator
SW8
SW11
SW10
SW9
Processor Pin
DPI6
DPI7
DPI8
DPI13
DPI14
DAI15
ADSP-21369 EZ-KIT Lite Evaluation System Manual
Table 1-2 shows the push
Processor Pin
FLAG1/IRQ1
FLAG0/IRQ0
DAI19
DAI20