Audio codec (u5), Expansion interfaces, Expansion interfaces –40 – Altera Stratix II EP2S180 DSP Development Board User Manual

Page 48

Advertising
background image

2–40

Core Version a.b.c variable

Altera Corporation

Stratix II EP2S180 DSP Development Board Reference Manual

Expansion Interfaces

Audio CODEC (U5)

The board contains three stereo jack connectors, which serve as one stereo
input, one amplified stereo output, and one non-amplified stereo output.
The stereo jacks are driven by a Stereo Audio CODEC running at
8-96 KHz.

Table 2–33

shows the pin-outs for the CODEC.

Table 2–34

describes the device used to implement the CODEC.

Expansion
Interfaces

The Stratix II EP2S180 DSP development board includes the following
interfaces:

A TI-EVM/FPDP connector (J31, J33), located on the reverse side of
the board

An RS-232C Serial I/O interface (J29)

Table 2–33. Audio CODEC (U5) Pin-Outs

Signal

Stratix II Pin

audio_BCLK

AG4

audio_CS_n

AH1

audio_SDIN

AH2

audio_SCLK

AH3

audio_MODE

AH4

audio_DOUT

AJ1

audio_DIN

AJ2

audio_LRCIN

AG2

audio_LRCOUT

AG3

audio_CLK

AL18

Table 2–34. Audio CODEC Device Reference

Item

Description

Board reference

U5

Part number

TLV320AIC23PW

Device description

Stereo Audio CODEC, 8-96 KHz

Voltage

3.3 V

Manufacturer

Texas Instruments

Manufacturer web site

www.ti.com

Advertising