High performance 32-bit RISC CPU

RISC 32-bit CPU

DC-160MHz operation

Support DSP instructions

64Vectored interrupts

4 Levels interrupt priority

Flexible I/O

19 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

Peripheral Feature

One full speed USB 2.0 OTG controller

One audio interface supports IIS, left adjusted, right adjusted and DSP mode

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

Three 16-bit PWM generator for motor driving

One 16-bit active parallel port

One full-duplex basic UART

Two full-duplex advanced UART

One SPI interface supports host and device mode

Two SD Card Host controller

One IIC interface supports host and device mode

One SPDIF receiving interface without analog amplify

One Quadrate decoder

Watchdog

1 Crystal Oscillator

16-bit Stereo DAC with headphone amplifier, SNR >= 95dB

1 channel ADC , SNR >= 90dB

1 channel MIC amplifier

2 channels Stereo analog MUX

10 channels 10-bit ADC

2 channels 8 levels Low Voltage Detector

Power-on reset

Embedded PMU support low power mode

Bluetooth Feature

CMOS single-chip fully-integrated radio and baseband

Compliant with Bluetooth V5.0+BR+EDR+BLE specification

Bluetooth Piconet and Scatternet support

Meet class2 and class3 transmitting power requirement

Support GFSK and π/4 DQPSK all paket types

Provides +2dbm transmitting power

receiver with -89dBm sensitivity

Support a2dpavctpavdtpavrcphfpsppsmpattgapgatt

fcommsdpl2cap profile

FM Tuner

Support worldwide frequency band 76-108MHz

Fully integrated digital low-IF tuner & frequency synthesizer

Autonomous search tuning

Digital auto gain control (AGC)

Digital adaptive noise cancellation

Programmable de-emphasis (50/75 uS)

Receive signal strength indicator (RSSI)

Radio search in multi-channel simultaneously

Digital volume control

Power Supply

VBAT is 2.2V to 5.5V

VDDIO is 2.2V to 3.6V

RTCVDD is 2.2V to 3.6V

Packages

QFN32(4mm*4mm)

Temperature

Operating temperature: -20℃ to +70℃

Storage temperature: -65℃ to +150℃