# SNC8x series audio processors

# Overview

SNC8x series are audio processors integrating AI algorithm, high-quality Codec, high-performance DSP, high-speed USB and PMU. It supports high sampling rate 24-bit ADC/DAC, analog microphones and digital microphones, one seteo or two differential audio output, Tensilica HiFi3 DSP, which can integrate rich AI audio algorithms; Integrates UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional audio solution; realize highly integrated, high performance, low BOM cost product.

# Product List

SNC8311 SNC8321 SNC8508 SNC8600 SNC8601
Applications
USB Noise cancellation headphone, Audio Codec Hi-fi mic, mic-array AIoT Human-Machine audio interaction AI intergration audio processing Cascaded audio DSP
Package BGA 80 BGA 80 BGA 80 BGA 80 BGA 80
DSP Core Tensilica HiFi3 Tensilica HiFi3 Tensilica HiFi3 Tensilica HiFi3 Tensilica HiFi3
Frequency 200MHz 200MHz 200MHz 200MHz 200MHz
Flash 512KB 512KB 1MB 1MB 1MB
IRAM 192KB 256KB 256KB 256KB 256KB
DRAM 128KB 128KB 256KB 256KB 256KB
ADC 2 Channels 2 Channels 2 Channels 2 Channels 2 Channels
DAC 2 Channels N/A 2 Channels 2 Channels N/A
DMIC 4 8 8 10 4
USB PHY 2.0 FS/HS 2.0 FS/HS 2.0 FS/HS 2.0 FS/HS N/A
USB Audio Class 1.0/2.0 1.0/2.0 1.0/2.0 1.0/2.0 N/A
I2S 1 1 2 3 3
I2C 1 1 2 2 2
UART 1 1 1 1 1
SAR ADC 2 2 2 2 2
GPIO 8 8 8 16 4
Power 3.3V~5.5V 3.3V~5.5V 3.3V~5.5V 3.3V~5.5V 3.3V~5.5V
Temperature -20°c ~ +80°c -20°c ~ +80°c -20°c ~ +80°c -20°c ~ +80°c -20°c ~ +80°c

# Datasheets

# SNC8311

SNC8311 Datasheet

SNC8311 is an audio processor for USB audio applications. It integrates USB audio codec and DSP for high noise environment. SNC8311 supports high sampling rate ADC/DAC, Tensilica HiFi3 DSP, which can integrate a variety of AI audio algorithms; Integrates UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional audio solution; realize highly integrated, high performance, low BOM cost product. OTA firmware updating feature provides an easy way for after sale service.

Typical Applications:

  • USB Noise cancellation headset
  • Audio front-end process
  • Instrumental audio effects
  • USB audio monitor

# SNC8321

SNC8321 Datasheet

SNC8321 is an audio processor supporting 24-bit codec with 192kHz sampling rate. It’s optimized for professional microphone and microphone array applications, supporting up to 10 digital microphones and 2 analog microphones. On-chip Tensilica HiFi3 DSP, which can integrate rich AI audio algorithms: echo cancellation, noise cancellation, beam forming, AGC, etc. It Integrates UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional microphone solution; realize highly integrated, high performance, low BOM cost product.

Typical Applications:

  • Desktop microphone application
  • Wireless microphone application
  • Microphone array application

# SNC8508

SNC8508 Datasheet

SNC8508 is an audio processor optimized for AIoT human-interaction solution, providing capability for low power, highly integrated sub-system based on microphone array and sensors. It supports up to 10 digital microphones and 2 analog microphones, Tensilica HiFi3 DSP, which can integrate rich AI audio algorithms; Integrates UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional audio solution; realize highly integrated, high performance, low BOM cost product.

Typical Applications:

  • Far-end audio recording
  • AIoT audio application
  • Audio monitor equipment
  • Sensor application

# SNC8600

SNC8600 Datasheet

SNC8600 is an audio processor integrating AI algorithm, high-quality Codec, high-performance DSP, high-speed USB and PMU. It supports high sampling rate ADC/DAC, Tensilica HiFi3 DSP, which can integrate rich AI audio algorithms; Integrates UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional audio solution; realize highly integrated, high performance, low BOM cost product.

Typical Applications:

  • Noise cancellation headset, USB headset, Hi-Fi monitor
  • Smart TV, Conference System
  • Audio front-end process
  • Multimedia player
  • Instrumental audio effects
  • In-car audio system

# SNC8601

SNC8601 Datasheet

SNC8601 is optimized for audio DSP applications, with capabilities of low power consumption and cost-effective AI audio algorithm. It supports 24-bit high sampling rate ADC, Tensilica HiFi3 DSP, which can integrate rich AI audio algorithms; Integrates 3 duplex I2S, UAC1.0/2.0 audio service, built-in PMU and rich peripheral interfaces, only need to add a few passive components to provide a complete professional audio AI solution; realize highly integrated, high performance, low BOM cost product.

Typical Applications:

  • Smart TV, Conference System
  • Multimedia player
  • Hi-Fi audio system
  • In-car audio system