详情
High performance **-bit RISC CPU
RISC **-bit CPU
DC**6MHz operation
*3KB data RAM
8KB I-cache 2way
1KB Rocache 1way
*4 Vectored interrupts
8 Levels interrupt priority
Flexible I/O
*5 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 **-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
**-bit PWM generator for motor driving
Three IQ Encoder
*6 channels **-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 **2dBm sensitivity
Support a2dpavctpavdtpavrcphfpsppsmpattgapgattrfcommsdpl2cap
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
QFN*2(4x4mm)
Temperature
Operating temperature: **0℃ to **5℃
Storage temperature: **5℃ to ***0℃
