High performance 32-bit RISC CPU
RISC 32bit CPU
DC-160MHz operation
Support DSP instructions
64Vectored interrupts
4 Levels interrupt priority
Flexible I/O
9 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
Four multi-function 16-bit timers, support capture and PWM mode
One full-duplex basic UART
One 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
Watchdog
1 Crystal Oscillator
16-bit Stereo DAC, SNR > 90dB
1 channels Stereo ADC, SNR > 90dB
1 channel MIC amplifier
Embedded headphone amplifier
1 channels Stereo analog MUX
10-bit ADC
2 channels 4 levels Low Voltage Detector
Built in Cap Sense Key controller
Power-on reset
Embedded PMU
Bluetooth Feature
CMOS single-chip fully-integrated radio and baseband
Compliant with Bluetooth V4.2+BR+EDR+BLE specification
Bluetooth Piconet and Scatternet support
Meet class2 and class3 transmitting power requirement
Provides +2dbm transmitting power
receiver with -85dBm 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)
Digital volume control
Power Supply
LDOIN is 3.3V to 5.5V
VDDIO is 3.0V to 3.6V
Packages
QSOP24
Temperature
Operating temperature: -40℃ to +85℃
Storage temperature: -65℃ to +150℃