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Old 20th June 2015, 11:57 AM   #1
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Default SA9227 application notes

I have tried to find full specifications and application notes for the SA9227 USB to S/PDif but so far without any luck. I've even tried other search engines than Google! - does anybody know if it is available and if so where/how?

Any help would be greatly appreciated.

PS. The best I've been able to find i this one: http://download.esm-cn.com/ATTACHMEN...9227-v1.3a.pdf

Hans Jørgen
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Old 18th December 2015, 08:33 PM   #2
Tolik is offline Tolik  Israel
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Still interesting about SA9227 ? There is either schematics in Altium format. http://bbs.hifidiy.net/thread-1121117-1-1.html
I have Altium installed, so I can to export PDF if required...
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Old 19th December 2015, 10:27 AM   #3
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Dear Tolik.

Thank you very much for your reply - and I would be very interested in a pdf og the schematics.

hans Jørgen
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Old 19th December 2015, 11:30 AM   #4
Tolik is offline Tolik  Israel
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Looks like USB receiver for either DAC...
Attached Files
File Type: pdf sa9227.pdf (87.9 KB, 60 views)
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Old 19th December 2015, 02:08 PM   #5
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Dear Tolik.

Thank you very much indeed!
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Old 19th December 2015, 04:36 PM   #6
JarekC is offline JarekC  Poland
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Sory for offtop but maybe anyone know where to buy SA9227 chips, (samll qty <100 pcs.)
NOT modules avaliable on ebay.

Regards,
JarekC
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Old 19th December 2015, 05:40 PM   #7
Tolik is offline Tolik  Israel
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Quote:
Thank you very much indeed!
You are welcome

Quote:
anyone know where to buy SA9227 chips
Free shipping 10pcs / lot SA9227 support 32BIT / 384KHZ / DSD / asynchronous USB DAC chip-in Other Electronic Components from Electronic Components & Supplies on Aliexpress.com | Alibaba Group

Free shipping 10pcs / lot SA9227 support 32BIT / 384KHZ / DSD / asynchronous USB DAC chip-in Other Electronic Components from Electronic Components & Supplies on Aliexpress.com | Alibaba Group

Well, I'll ask also ))) Anybody know, how to connect an ADC PCM4222 to PC via USB, using SA9227 or either similar IC ?
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Old 20th December 2015, 10:54 AM   #8
JarekC is offline JarekC  Poland
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I rather looking for official distributor or reseller . The purchase was in Europe will be ideally.

Quote:
Originally Posted by Tolik View Post
Well, I'll ask also ))) Anybody know, how to connect an ADC PCM4222 to PC via USB, using SA9227 or either similar IC ?
SA9227 has pins for connecting ADC by I2S bus -> ADDAT,ADSCLK,ADSYNC,ADMCLK or S/PDIF -> SPDRX.
S/PDIF or I2S input port must be enabled in SA9227 configuration.
Configuration of SA9227 is stored in external EEPROM.

Regards
JarekC
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Old 20th December 2015, 03:13 PM   #9
Tolik is offline Tolik  Israel
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Thank you for info JarekC,
As I understand, SA9227 connected to EEPROM by I2C bus. Is there any info about what to program to that external memory IC to get SA9227 working ?
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Old 20th December 2015, 05:15 PM   #10
JarekC is offline JarekC  Poland
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It is a special tool for generating EEPROM firmware.
But it is avaliable only from Savi-Audio after signing NDA documents.

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JarekC
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