32-bit RISC BLE Chip Bluetooth Microcontroller

High performance 32-bit RISC CPU
RISC 32-bit CPU
DC-96MHz operation
73KB data RAM
8KB I-cache 2way
1KB Rocache 1way
64 Vectored interrupts
8 Levels interrupt priority

Flexible I/O
25 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
Two Full Speed USB OTG controller
Four Multi-function 32-bit timers, support capture and PWM mode
Three full-duplex advanced UART(DMA)
Three SPI interface supports host and device mode （ DMA ）
One IIC interface supports host and device mode
RTC,with alarm clock and time base to wake up the chip
16-bit PWM generator for motor driving
Three IQ Encoder
16 channels 10-bitADC
1 channel 8 levels Low Power Detector
Embedded PMU support low power mode
2 Crystal Oscillator
Watchdog
Power-on reset

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 packet types
Provides +8dbm transmitting power
Receiver with -92dBm sensitivity
Support a2dpavctpavdtpavrcphfpsppsmpattgapgattfcommsdpl2cap profile
Power Supply
LDOIN is 4.5V to 5.5V
VBAT is 1.8V to 4.5V
VDDIO is 1.8V to 3.4V

Packages
QFN32(4x4mm)

Temperature
Operating temperature: -40℃ to +85℃
Storage temperature: -65℃ to +150℃