Altera Stratix II EP2S180 DSP Development Board Manual de usuario descargar pdf (Pagina 48)

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

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Altera Stratix II EP2S180 DSP Development Board Manual de usuario Pagina 48