32-bit MCU for Bluetooth Speaker QSOP24 Chip IC

CPU---------------------------------

32-bit DSP supports hardware Float Point

Unit (FPU)

Up to 160MHz programmable processor

64Vectored interrupts

4 Levels interrupt priority

DSPAudio Processing-----------------

SBC, AACAudio decodes supported for BT audio

mSBC voice codecs supported for BT /p>

Supports MP2, MP3, WMA, APE, FLAC,

AAC, MP4, M4A, WAV,AIF,AIFC audio decoding

Packet Loss Concealment (PLC) for voice processing

Acoustic echo cantion/suppression (AEC,AES)

Single/Dual MIC Environmental Noise

Cantion (ENC)

Multi-band DRC limiter

10-band EQ configuration for voice Effects

Audio Codec------------------------

One channels 16-bit DAC, SNR >= 95dB

One channels 16-bitADC , SNR >= 90dB

Sampling rates of 8KHz/11.025KHz/16KHz/22.05KHz/24KHz/ 32KHz/44.1KHz/48KHz are supported

One analog MIC amplifier, build-in MIC bias generator

Supports two PDM digital MIC inputs

Two channels Mono analog MUX

Supports cap-less, single-ended, and differential mode at the DAC path

Supports 16ohm and 32ohm Speaker loading

Bluetooth------------------------

Compliant with Bluetooth

V5.1+BR+EDR+BLE specification

Meet class1 class2 and class3 transmitting power requirement

Support GFSK and π/4 DQPSK all packet types

Provides +6dbm transmitting power receiver with -90dBm sensitivity

FastAGC for enhanced dynamic range

Supports a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\g att\rfcomm\sdp\l2cap profile

Perirals----------------------

One full speed USB 2.0 OTG controller

Six multi-function 32-bit timers, support capture and PWM mode

Three full-duplex basic UART, UART0 and UART1 supports DMAmode

One hardware IIC interface supports host and device mode

10-bitADC for analog sampling

External wake up/interrupt on all GPIOs

PMU-----------------------------

Low voltage LDO for internal digital and analog circuit supply

3uAcurrent consumption in the soft-off mode

Built-in LDO for the core, I/O, Bluetooth and flash

VBATis 2.2V to 5.5V

VDDIO is 2.2V to 3.6V

Packages------------------------

QSOP24

Temperature---------------------

Operating temperature: -20℃ to +70℃

Storage temperature: -65℃ to +150℃