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℃