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    SC8831C
    Audio Processing SoC With High-Performance DSP

    The SC8831C is a highly-integrated audio system-on-chip (SoC) integrated with Cortex-M0 processor for low power management, and a high performance audio dedicated DSP for audio sound effect processing. Furthermore, it is also integrated with SAR-ADC, USB, SD/MMC controllers and audio CODEC.

    Main feature

    Architecture

    • DSP

    • 5-level pipelines, maximum operating frequency: 160MHz;

    • 32bit/16bit multiplication: MAC16, MUL16, MUL32;

    • 32bit integer division;

    • Single-precision floating-point operation;

    • Dedicated hardware audio acceleration engine;

    • 32KB instruction/data Cache, WB/WT supported;

    • Local SRAM;

    • Cortex-M0

    • 80MHz High performance 32bit Cortex-M0 core, maximum operating frequency: 80MHz;

    • Embedded 8KB Cache, four address areas, independently configure;

    • Supports frequency reduction, a quarter of maximum bus frequency;

    Clock & Power Manager

    • External 12MHz oscillators;

    • Built-in RCL and RCH;

    • Built-in System PLL, Audio PLL and USB1.1 PLL;

    • Built-in double 1.2V LDO;

    • Multi low-power operating modes supported, such as frequency reduction, STOP mode. 

    Memory Controller

    • SPI flash controller

    • Supports SPI Flash 1/2/4-wire modes;

    • Core runs directly in SPI Flash;

    • SRAM

    • Embedded 240KB SRAM, system 32KB+16KB, DSP 192KB;

    • Supports Byte, Half-word, Word access;

    • SDRAM controller

    • High-efficiency SDRAM Interface, supports 16-bit data operating;

    • Supports SDRAM low-power modes, such as self-refresh, power down, etc.;

    • Packaged with 2MB SDRAM;

    Peripherals

    • Audio CODEC

    • Built-in two-set stereo Audio ADCs; SNR 100db (A-weight, Line in);

    • Supports stereo analog MIC input and ALC;

    • Built-in stereo Audio DAC, SNR 100db(A-weight, Line out);

    • USB_HS

    • Built-in high-speed PHY;

    • Compliance with USB2.0 standard;

    • Supports control, bulk, interrupt, and synchronous transfer;

    • Built-in 2KB SRAM;

    • Built-in Normal and Scatter-Gather DMA transfer;

    • SD/MMC

    • Compliance with SD2.0 and MMC4.3 standards;

    • Supports 1-bit mode;

    • Built-in Normal and chained DMA transfer;

    • UARTx3

    • 3 UART modules provided;

    • High-speed UART1 integrated with 64-byte FIFO, UART2 with 8-byte FIFO, while UART3 with 16-byte FIFO;

    • Programmable data bits and stop bit;

    • Parity check supported or no check;

    • Supports receiving/sending FIFO interrupt;

    • PDMA mode supported by UART1/3;

    • I2C

    • Supports standard speed, fast speed, and high speed modes;

    • Supports Master and Slave modes; 

    • SPI

    • Supports SPI standard 4-wire protocol;

    • Embedded independent 8x32 receive and send buffers;

    • Supports PDMA mode;

    • PWM

    • Supports preset frequency division;

    • 16-bit counting accuracy;

    • ADC

    • 6-channel analog inputs, 10bit accuracy; 

    • GPIO

    • Two GPIO controllers;

    • Independent pull-up resistor enable;

    • Selectable drive strength (2/4/8/24mA)；

    • Supports configurable interrupt of each IO, edge or level triggered; 


    Block Diagram

    SC8831C.png

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