onsemi LC823455 audio processing system

The LC823455 is a 32-bit system-on-chip (SoC) that is designed for signal processing and optimized for the lowest power consumption. It enables customers to design battery-powered applications, adding audio processing and highly integrated analog functions incl. hard wired audio encoder and decoder blocks. Its multi-core architecture with internal memory allows ultra-low-power operation with no external memory latency. The 4 MB internal SRAM of the LC823455 enables Bluetooth and Wi-Fi interfaces and adds voice recognition functionality to IoT edge devices.

Key features

• ARM® Cortex®-M3 dual and proprietary 32-bit DSP (LPDSP) Multi-Core System
• 4 MB internal SRAM
• Hard wired audio and integrated analog functions
• High-resolution 192 kHz audio processing capability

Additional features

• Integrated analog functions
• Multiple interfaces: USB2.0, eMMC, SD, SPI, I2C
• Beamforming, noise/echo cancellation with 4 microphones
• Miniaturized 4 x 4 mm WLCSP package

Applications

• Portable Audio
• Wearable Audio
• Wireless Audio
• Voice User Interface (VUI)
• Sports headset
• Wireless speaker
• Voice recorder
• Smart Home Appliances

Available tools

LC823455XGEVK: Low Power & High-Resolution Audio Processing System Evaluation Board Kit