SA9227USB音频芯片，PCM384K&DSD256

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savitech SA9227 音频解码芯片，采样率高支持PCM384K& DSD256，极简电路设计，可定制固件
The SA9227A is a high performance up to 32bit, 384KHz PCM and DSD64/128/256 streaming USB High-Speed compliant audio steaming controller. It features one stereo playback and recording pairs and one IEC60958 S/PDIF receive and transmit streaming pair. The SA9227A is ideal for both one stereo-in and one stereo- out professional digital audio interface applications. Its PCM resolution and sampling rate can be configurable with 16/24/32 bit and 32/ 44.1/ 48/ 88.2/ 96/ 176.4/ 192/ 352.8/ 384KHz
respectively.

USB 2.0 High-Speed Compliant
USB Audio Class v1.0 and v2.0 supported
Incredible Bravo sound quality supported by Savitech innovative Bravo Tech*1
• Bravo Tech*1 supporting Jitter-less outputs using local clock in Async-mode Isochronous input and output endpoints for recording and playback
One interrupt endpoint for HID
One DSD interface for connect with external DSD DAC
Support DSD64 / DSD128 / DSD256 of native and DoP64 / DoP128 in Async mode Support DSD L/R data line swap feature
Support resolutions up to 32-bit and sampling rates up to 384KHz Two I2S input pairs and two I2S output pairs for PCM
• Independent sample rates for each pairs
• 32/ 44.1/ 48/ 88.2/ 96/ 176.4/ 192/ 352.8/ 384 KHz sampling rates
• 16/24/32 bit resolution
Built in IEC60958 professional S/PDIF TX and S/PDIF RX,
• AES/EBU supported
• SCMS for copyright supported
• Stereo SPDIF Input and S/PDIF Output
• 32/ 44.1/ 48/ 88.2/ 96/ 176.4/ 192/ 352.8/ 384 KHz sampling rates
• 16/24 bit resolution
• DSD with S/PDIF TX Control and I/O
• I2C bus
• GPIOs
64- pin LQFP packages