Features
- Bluetooth low energy single mode system on chip compliant with Bluetooth 5.0 specifications:
Master, Slave and multiple simultaneous roles LE data packet length extension
- Operating supply voltage from 1.7 to 3.6V
- Integrated linear regulator and DC-DC step-down converter
- High performance, ultra-low power Cortex M0 32-bit based architecture core
- Programmable 256KB Flash
- 24KB RAM with retention (two 12 KB banks)
- UART interface
- SPI interface
- I2C interface
- 11 GPIOS
- 2 x multifunction timers
- 10 bit ADC
- Watchdog and RTC
- DMA controller
- PDM stream processor
- 32 MHz crystal oscillator
- Battery voltage monitor and temperature sensor (at the antenna connector)
- Excellent RF link budget (up to 96dB)
- Accurate RSSI to allow power control 8.3 mA TX current (@ -2dBm, 3V)
- Down to 1μA current consumption with active BLE stack (sleep mode)
- Average advertisement current consumption
- 15.34 μA (advertisement interval 1000ms), 1 year 8 month 19days with 230mAh battery (CR2032)
- Average connection current consumption 7.059 μA (connection interval 1000ms), 3 yeas 10 months and 12days with 230mA battery (CR2032)
- Pre-programmed bootloader via UART
- Up to +6 dBm available output power
