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LM4550 AC’97 Stereo Audio Codec Expansion Module | Numato Lab
https://numato.com/product/lm4550-ac97-stereo-audio-codec-expansion-module/
This module features LM4550, an AC’97 Rev 2.1 compliant audio codec which enables producing and recording high-quality stereo audio. This module is designed to be used with Numato Lab’s FPGA/Microcontroller boards featuring a 2×6 pin Expansion connector. It can also be used with other boards and connector types by using manual wiring.
LM4550B AC '97 Rev 2.1 Multi-Channel Audio Codec …
https://www.ti.com/lit/gpn/LM4550B
LM4550B AC '97 Rev 2.1 Multi-Channel Audio Codec With Stereo Headphone Amplifier, Sample Rate Conversion and TI 3D Sound 1 Features 2 Applications 1• AC '97 Rev 2.1 Compliant • Desktop PC Audio Systems on PCI Cards, AMR • High Quality Sample Rate Conversion From 4 kHz Cards, or With Motherboard Chips Sets Featuring
LM4550 AC '97 Rev 2.1 Multi-Channel Audio Codec …
http://web.mit.edu/6.111/www/f2016/handouts/labs/LM4550.pdf
LM4550 AC ’97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound General Description The LM4550 is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.1 architecture. Using 18-bit Sigma-Delta
LM4550 AC ’97 Rev 2.1 Multi-Channel Audio Codec with ...
http://ece-research.unm.edu/pollard/classes/595/LM4550.pdf
The LM4550 is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC97 Rev2.1 architecture. Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4550 provides 90 dB of Dynamic Range. The LM4550 was designed specifically to …
LM4550 ac’97 Audio Codec - Digi-Key
https://forum.digikey.com/t/ac97-codec-hardware-driver-example/13194
LM4550 ac’97 Audio Codec. This is an example hardware driver used to interface a National Semiconductor LM4550 ac97 audio codec with an FPGA running at 100 MHz. The design can be scaled to other clock speeds by either scaling the internal counters, or instantiating an onboard PLL to attain a 100 MHz clock.
Numato Lab - Stereo Audio Codec AC'97 LM4550 - Botland ...
https://botland.store/fpga-boards-and-kits/12185-numato-lab-stereo-audio-codec-ac-97-lm4550-extension-for-fpga-boards-5904422318826.html
Module with LM4550 system, audio codec, compliant with AC'97 Rev 2.1, which lets you create and record high quality stereo sound. It has a built-in headphone amplifier with separate amplification control. Dynamic range is 90 dB. Compatible with plates Numato FPGA Laboratory, equipped with connectors 2 x 6 pin. €45.10.
AC '97 Rev 2.1 Multi-C Audio Codec w/Str HP Amp, Samp Rte ...
https://fiona.dmcs.pl/~cmaj/FPGA/Atlys%20Spartan%206/AC97/2_lm4550.pdf
LM4550 OBSOLETE September 23, 2011 AC '97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound General Description The LM4550 is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC '97 Rev 2.1 architecture. Using 18-bit Sigma-Delta
LM4550B data sheet, product information and support | …
https://www.ti.com/product/LM4550B
The LM4550B device is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.1 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4550B provides 90 dB of Dynamic Range.
Lab 7: Interfacing FPGA Spartan-6 with AC’97 Codec
http://www.dejazzer.com/ee478/labs/lab7_audio_ac97.pdf
The Atlys board includes a National Semiconductor LM4550 AC‘97 audio codec (IC3) with four 1/8” audio jacks for line-out (J5), headphone-out (J7), line-in (J4), and microphone-in (J6). Audio data at up to 18 bits and 48KHz sampling is supported, and the audio in (record) and audio out (playback) sampling rates can be different.
comp.arch.fpga | Virtex4 : Audio Codec AC97 LM4550
https://www.fpgarelated.com/showthread/comp.arch.fpga/36608-1.php
Virtex4 : Audio Codec AC97 LM4550. Hi. I'm working with the Virtex 4 on a ML403 and want to use the audio codec AC97. At first i want to connect a mp3-player to line in and then i want to manipulate the audiostream and send it to line out. But i don't find a detailled description (e.g not in ml403 userguide) of the audio codec.
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