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CPU

32-bit high-performance CPU with DSP instructions

Flexible GPIO pins with programmable pull-up and pull-down resistors

Support GPIO wake-up or interruption

Supports FLAC format decoding/APE format decoding

Bluetooth radio

Compliant with Bluetooth 5.0 and BLE specifications (number: 115952)

TX output power 2dbin typical value

RT sensitivity -90.5dbm@basicrate

Audio interface

Audio codec with 16 bit stereo DAC and dual channel 16 bit ADC

Support flexible audio equalizer adjustment

Four channel stereo analog multiplexer

Dual channel microphone amplifier input

High performance stereo audio analog-to-digital converter with a signal-to-noise ratio of 90dB

Peripheral device interface

Three 32-bit timers

Supports capture and pulse width modulation modes

Watchdog

Three full duplex UARTs