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