Using Interrupt Pins; Using Audio Interface - Analog Devices ADSP-21161N EZ-KIT Lite Manual

Using Interrupt Pins

Using Interrupt Pins

The ADSP-21161N holds three interrupt pins (
act with the running program. Each of the three external interrupts is
directly accessible through the push button switches
EZ-KIT Lite board. Interrupt pins are summarized in
information, refer to the ADSP-21161 SHARC Processor Hardware
Reference.
Table 2-3. Interrupt Pin Summary
1
Interrupt
IRQ0
IRQ1
IRQ2
1 are available on connector
IRQ0–3

Using Audio Interface

The audio interface consists of the AD1836 audio codec, the AD1852
auxiliary DAC and the CS8414 SPDIF receiver.
nect to the audio devices and provide 3 channels of stereo input (1
channel digital, 2 channels analog) and 4 channels of stereo output.
Analog audio input is facilitated by a 3.5 mm stereo jack (
RCA mono jacks (
cated to two of the RCA mono jacks. The other stereo input channels can
either be supplied by the 3.5 mm stereo jack or the other two RCA mono
jacks. determines which jack is used for audio input. Digital audio
JP11
input can be provided on either a single RCA mono jack (
input connector (
2-6
Connects To
SW5
SW6
SW7
.
P10
). One of the AD1836 stereo input channels is dedi-
P6
). determines the source. Three of the stereo out-
P4 JP2
ADSP-21161N EZ-KIT Lite Evaluation System Manual
IRQ0–2
SW5–SW7
Table
Description
connect to the push buttons and supply
IRQ0–2
feedback for program execution. For instance, you
can write your code to trigger a FLAG when a
routine is complete.
SPORT0
) that let you inter-
on the
2-3. For more
and con-
SPORT2
) and four
P7
) or an optical
P5