Audio Interface - Analog Devices ADSP-21161N EZ-KIT Lite Manual

Table 1-3. Interrupt Pin Summary
1
Interrupt
IRQ0
IRQ1
IRQ2
1 are available on connector
IRQ0–3

Audio Interface

The audio interface consists of the AD1836 audio codec, the AD1852
auxiliary digital-to-analog converters (DACs) and the CS8416 Sony/Phil-
ips Digital Interface Format (S/PDIF) receiver.
connect to the audio devices and provide three channels of stereo input
(one channel digital, two channels analog) and four 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 (
channels come from the AD1836, while the final channel is from the
AD1852. See "Audio Connectors (J2–6, P4)" on page 2-18
information about the connectors.
The AD1836 multi-channel codec features six digital-to-analog converters
and four analog-to-digital converters (ADCs) and supports multiple digi-
tal stereo channels with 24-bit conversion resolution and a 96 kHz sample
rate. The AD1836 features a 108 dB dynamic range for each of its six
DACs and a 104 dB dynamic range for its four ADCs. The AD1836 is
ADSP-21161N EZ-KIT Lite Evaluation System Manual
www.BDTIC.com/ADI
Connects To
SW5
SW6
SW7
.
P10
). One of the AD1836 stereo input channels is dedi-
J2
). determines the source. Three of the stereo output
P4 P2
Using ADSP-21161N EZ-KIT Lite
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 rou-
tine is complete.
SPORT0
and
SPORT2
) and four
J3
) or an optical
J6
for more
1-11