Leds And Push Buttons - Analog Devices ADSP-21364 EZ-KIT Lite Manual

LEDs and Push Buttons

sync signals. For information on how to set the mode, refer to
Setup Switch (SW7)" on page
The internal configuration registers of the codec are configured using the
SPI port of the processor. The
device. For information on how to configure the multichannel codec, refer
to the product data sheet at
The RCA connector (
electret microphone on this connector, configure the
to the instructions in
page 2-9. The four output channels connect to the RCA connector
Channel 4 of the codec connects to the headphone jack
information, see
Example programs are included in the EZ-KIT Lite installation directory
to demonstrate how to configure and use the board's analog audio
interface.
LEDs and Push Buttons
The EZ-KIT Lite has eight general-purpose user LEDs and four gen-
eral-purpose push buttons.
Two of the general-purpose push buttons are attached to the
the processor, while the other two are attached to the DAI pins. All of the
push buttons connect to the processor through a DIP switch. The DIP
switch can disconnect processor pins attached to the push buttons. See
"Push Button Enable Switch (SW9)" on page 2-11
how to disable the push buttons from driving the corresponding processor
pins.
The value of the push buttons connected to the FLAG pins can be deter-
mined by reading the
1-14
2-10.
FLAG3
AD1835A
) is used to input analog audio. When using an
J4
"Electret Microphone Select Switch (SW6)" on
"Connectors" on page
register. The push buttons connected to the
FLAG
ADSP-21364 EZ-KIT Lite Evaluation System Manual
register is used as the select for the
.
SW6
2-16.
for instructions on
"Codec
switch according
.
J5
. For more
J6
pins of
FLAG