Key Features
ARM® Cortex™-M0 32-bit processor with SWD
• Memory
System features an integrated 512KB flash memory.
64KB SRAM, all programmable in sleep mode
4-way instruction cache with 8KB CacheRAM
96kb ROM
• 22 General-purpose I/O pins
Maintain GPIO state in OFF/sleep mode
Configurable for serial interface and
Programmable IO MUX Function Mapping
All pins can be configured for wake-up
All interrupt-triggering pins
Q2 Decoder (QDEC)
6-Channel PWM
2-Channel PDM/I2C/SPI/UART
4-channel DMA
• DMIC/AMIC with microphone bias
• 8-channel 12-bit ADC, low-noise voice PGA
• 6-channel 24-bit timer, one watchdog timer
• Real-Time Clock (RTC) Counter
• Power, Clock, Reset Controller
Flexible power management
Operating voltage range: 1.8V to 3.6V
Embedded Buck DC-DC and LDO
Battery Monitor • Power Consumption
0.3μA @ OFF mode (only IO wake)
32KHz RTC with Sleep Mode at 1μA
Sleep Mode with 32KHz RTC
SRAM Retained
Receiving Mode: 4mA @ 3.3V Power Supply
Transmission Mode: 4.7mA (0dBm Output Power)
3.3V power supply
MCU: <60uA/MHz•RC Oscillator Hardware Calibration
Internal High/Low Frequency RC Oscillator
RTC with +/-500ppm accuracy using 32KHz RC osc
The 32MHz RC oscillator for HCLK features a 3% accuracy and high throughput rate.
Supports BLE 2Mbps protocol
Supports data length expansion
Throughput up to 1.6Mbps (DLE+2Mbps) • BLE 5.2 functionality • AoA/AoD beamforming capabilities • SIG-Mesh multi-functional support
Friend Node Low-Power Node Proxy Node 2.4 GHz Transceiver Bluetooth 5.2 Compatible
Sensitivity:
-97dBm @ BLE 1Mbps data rate
-103dBm @ BLE 125Kbps data rate
In the 3dB step, TX power ranges from -20 to +10dBm.
Single Pin Antenna: No RF Matching or RX/TX
Need to switch
RSSI (1 dB resolution)
Antenna Array and Optional External RF PA/LNA
AES-128 encrypted hardware • Link layer hardware
Automatic Packaging
Automated packaging inspection and verification
Automatic Resending
Automatic Acknowledgment
Hardware Address Matching
Packaging: QFN32 (4mm x 4mm)
Applications: Wearable Devices, Beacons, Residential Architecture, Industrial Manufacturing, Retail & Payment, Data Transmission, PC/Mobile/TV Peripherals, Internet of Things (IoT)
