High performance 32-bit RISC CPU

DC-160MHz operation

With 16k read only cache

64Vectored interrupts

8 Levels interrupt priority

Coprocessor with mathematic instructions

Flexible I/O

14 GPIO pins

All GPIO pins can be programmable as input or output individually

All GPIO pins are internal pull-up/pull-down selectable individually

CMOS/TTL level Schmitt triggered input

External wake up/interrupt on all GPIOs in all working conditions

Long press reset on all GPIOs

Peripheral Feature

One full speed USB 2.0 OTG controller

Hardware universal algorithm accelerator for FFT and AEC

Four multi-function 16-bit timers, support capture and PWM mode

Three 16-bit PWM generator for motor driving with automatic stop protection

One full-duplex basic UART

Two full-duplex advanced UART with DMA

One IIC interface supports host and device mode

One Quadrate decoder

One LED light controller

Watchdog

One 12/24Mhz Crystal Oscillator

Hardware Audio algorithm accelerator

16-bit Stereo DAC with headphone amplifier, SNR >= 96dB

1 channels ADC , SNR >= 90dB

1 channel MIC amplifier

3 channels analog MUX

11 channels 10-bit ADC

2 channels 8 levels Low Voltage Detector

Power-on reset

Embedded PMU support low power mode

Integrated Li-ion battery charger,up to supports 200mA fast charging

Communication with TWS headset charging case

Bluetooth Feature

CMOS single-chip fully-integrated radio and baseband

Bluetooth V5.0+BR+EDR+BLE specification

Bluetooth Piconet and Scatternet support

Meet class2 and class3 transmitting power requirement

Support 1M GFSK2M GFSKS2 CODES8 CODEπ/4 DQPSK all paket types

Provides +4dbm transmitting power

receiver with -90dBm sensitivity

Support a2dpavctpavdtpavrcphfpsppsmpattgapgattfcommsdpl2cap profile

Power Supply

VBAT is 2.2V to 4.2V

VDDIO is 2.2V to 3.6V

Package

QFN32_4x4

Temperature

Operating temperature range: -40℃ to +80℃