The nRF52805 is a Bluetooth 5.2 SoC supporting Bluetooth Low Energy and 2.4 GHz proprietary protocols. It is capable of Bluetooth high-throughput 2 Mbps, transferring data faster and more efficient, and Bluetooth channel selection algorithm #2 (CSA #2), improving coexistence and reducing interference. It also supports 2.4 GHz proprietary protocols. The radio has up to 4 dBm TX power and -97 dBm sensitivity (1 Mbps Bluetooth LE).
Features :
- Bluetooth 5.0, 2.4 GHz transceiver
- -97 dBm sensitivity in 1 Mbps Bluetooth Low Energy mode
- -20 to +4 dBm TX power, configurable in 4 dB steps
- On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP Series
- Supported data rates:
- Bluetooth 5.0 – 2 Mbps, 1 Mbps
- Proprietary 2.4 GHz – 2 Mbps, 1 Mbps
- Single-ended antenna output (on-chip balun)
- 4.6 mA peak current in TX (0 dBm)
- 4.6 mA peak current in RX
- RSSI (1 dB resolution)
- Arm® Cortex®-M4 32-bit processor, 64 MHz
- 144 EEMBC CoreMark® score running from flash memory
- 34.4 µA/MHz running CoreMark from flash memory
- 32.8 µA/MHz running CoreMark from RAM
- Serial wire debug (SWD)
- Flexible power management
- 1.7 V to 3.6 V supply voltage range
- On-chip DC/DC and LDO regulators with automated low current modes
- Fast wake-up using 64 MHz internal oscillator
- 0.3 µA at 3 V in System OFF mode, no RAM retention
- 0.5 µA at 3 V in System OFF mode with full 24 kB RAM retention
- 1.1 µA at 3 V in System ON mode, with full 24 kB RAM retention, wake on RTC (running from LFXO clock)
- 1.0 µA at 3 V in System ON mode, no RAM retention, wake on RTC (running from LFXO clock)
- 192 kB flash and 24 kB RAM
- Advanced on-chip interfaces
- Programmable peripheral interconnect (PPI)
- 10 general purpose I/O pins
- EasyDMA automated data transfer between memory and peripherals
- Nordic SoftDevice ready with support for concurrent multiprotocol
- Temperature sensor
- 12-bit, 200 ksps ADC – 2 configurable channels with programmable gain
- 3x 32-bit timer with Counter mode
- SPI master/slave with EasyDMA
- I2C compatible two-wire master/slave
- UART (CTS/RTS) with EasyDMA
- Quadrature decoder (QDEC)
- AES HW encryption with EasyDMA
- 2x real-time counter (RTC)
- Single crystal operation
- Package variants
- WLCSP package, 2.482 x 2.464 mm
Applications :
- Proprietary protocol devices
- Network processor
- Beacons
- Smart Home sensors
- Presenters/Stylus
- Health monitoring
- Drug delivery
- Asset tags
- Toys
- Retail tags and labels