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