Altera Cyclone II DSP Development Board - Manual (Page 22)

2–14 Reference Manual Altera Corporation
Cyclone II DSP Development Board August 2006
User Interfaces
Audio CODEC Converter (U11)
The Cyclone II DSP development board contains three stereo jack
connectors, which provide one stereo output, one stereo input, and one
amplified stereo headphone output. The stereo jacks are driven by a
stereo audio CODEC running at 8-96 kHz.
Table 2–7 lists the audio
CODEC references.
Table 2–8 lists the TI TLV320AIC23 audio CODEC pin-outs.
Audio Jacks (J10, J14, J16)
The Cyclone II DSP development board contains the following audio
connectors:
■ J10—an audio connector for line-in
■ J14—an audio connector for line-out
Table 2–7. Audio CODEC Reference
Item Description
Board reference U11
Part number TLV320AIC23
Device description Stereo Audio CODEC, 8-96 kHz
Manufacturer Texas Instruments
Manufacturer web site www.ti.com
Table 2–8. TI TLV320AIC23 Audio CODEC Pin-Outs
Schematic Signal Name
Audio CODEC (U11) Pin
Number
Cyclone II (U12) Pin
Number
AUDIO_BCLK 3 F3
AUDIO_CLK 25 AB3
AUDIO_CSN 21 AC25
AUDIO_DIN 4 J21
AUDIO_DOUT 6 B13
AUDIO_LRCIN 5 W4
AUDIO_LRCOUT 7 AB2
AUDIO_MODE 22 AA2
AUDIO_SCLK 24 R4
AUDIO_SDIN 23 AD2