Key Features

• High-performance low-power 32-bit processor • Memory
 256KB SPI NOR flash memory
 64KB SRAM, all programmable retention insleep mode
 4-way instruction cache with 8KB CacheRAM
 96KB ROM
 256bit efuse • 11 general purpose I/O pins
 GPIO status retention in off/sleep mode
 configurable as serial interface andprogrammable IO MUX function mapping
 All pins can be configured for wake-up
 All pins for triggering interrupt
 3 quadrature decoder(QDEC)
 6-channel PWM
 2-channel PDM/I2C/SPI/UART
 4-channel DMA
• DMIC/AMIC with microphone bias • 5-channel 12bit ADC with low noise voicePGA
• 6-channel 24bit timer, one watchdog timer • Real timer counter (RTC) • Power, clock, reset controller • Flexible power management
 Operating Voltage range 1.8V to 3.6V
 Battery monitor • Power consumption
 0.3μA @ OFF Mode(IO wake up only)
 1μA @ Sleep Mode with 32KHz RTC
 4uA @ Sleep Mode with 32KHz RTC and allSRAM retention
 Receive mode: 8mA @3.3V power supply
 Transmit mode: 8.6mA(0dBm output power)@3.3V power supply
 MCU: <90uA/MHz • RC oscillator hardware calibrations
 Internal High/Low frequency RC osc
 32KHz RC osc for RTC with +/-500ppm accuracy
 32MHz RC osc for HCLK with 3% accuracy • High Speed Throughput
 Support BLE 2Mbps Protocol
 Support Data Length Extension
 Throughput up to 1.6Mbps(DLE+2Mbps) • AoA/AoD Direction Finding • Support SIG-Mesh Multi-Feature
 Friend Node
 Low Power Node
 Proxy Node
 Relay Node • 2.4 GHz transceiver
 Compliant to Bluetooth 5.2
 Sensitivity:
-97dBm@BLE 1Mbps data rate
-103dBm@BLE 125Kbps data rate
 TX Power -20 to +10dBm in 3dB steps
 Single-pin antenna: no RF matching or RX/TXswitching required
 RSSI (1dB resolution)
 Antenna array and optional off-chip RF PA/LNAcontrol interface • AES-128 encryption hardware • Link layer hardware
 Automatic packet assembly
 Automatic packet detection and validation
 Auto Re-transmit
 Auto ACK
 Hardware Address Matching
 Random number generator • Operating temperature: -40 ℃~85℃

• RoHS Package: TSSOP16
• Applications: wearables, beacons, home and building,
health and medical, industrial and manufacturing,
retail and payment, data transmission, PC/mobile/TV
peripherals, internet of things (IoT)