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LM4550 AC '97 Rev 2.1 Multi-Channel Audio Codec …
http://web.mit.edu/6.111/www/f2016/handouts/labs/LM4550.pdf
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 ADCs and DACs, the LM4550 provides 90 dB of Dynamic Range. The LM4550 was designed specifically to …
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
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
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 ADCs and DACs, the LM4550 provides 90 dB of Dynamic Range. The LM4550 was designed specifically to provide a high qual-
LM4550 Datasheet, PDF - Alldatasheet
https://www.alldatasheet.com/view.jsp?Searchword=LM4550
LM4550: 507Kb / 25P: AC ’97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound: National Semiconductor ... LM4550B: 998Kb / 31P: AC 97 Rev 2.1 Multi-Channel Audio Codec with Stereo Headphone Amplifier, Sample Rate Conversion and National 3D Sound: National Semiconductor ... LM4550BVH: 998Kb / 31P
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
Description. 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.
CiteSeerX — LM4550 AC ’97 Rev 2.1 Multi-Channel Audio ...
https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.227.4212
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.
PL1S006000100 - System Level Solutions - Audio Codec …
https://www.newark.com/system-level-solutions/pl1s006000100/tlv320aic23-lm4550-audio-codec/dp/68R2570
High performance stereo codec's (TLV320AIC23 and LM4550) TLV320AIC23 supports I2S or McBSP protocol for input and output data; LM4550 is AC’97 compliant for input and output data; 24.25MHz on board oscillator; 26 general purpose user I/Os Four input jacks, two MIC jacks and two line in jacks Four output jacks, two headphones and two line out
Audio Input and Output (6.111 Labkit)
https://web.mit.edu/6.111/www/s2004/NEWKIT/audio.shtml
The LM4550 is an 18-bit codec, so only the 18 most significant bits of slots 3 and 4 are used by the DACs and ADCs. PCM data for the DACs or from the ADCs is transmitted MSB first, in twos-complement form.
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.
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