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nRF52805

Feature

The nRF52805 System-on-Chip (SoC) augments the industry-leading nRF52 Series with an SoC in a WLCSP optimized for small two-layer PCB designs, ideal for cost-constrained applications. It is the perfect choice for applications such as beacons, disposable medical devices, sensors, styluses and presenters.

The nRF52805 features an Arm® Cortex®-M4 processor, clocked at 64 MHz. It has 192 KB Flash and 24 KB RAM and integrates a range of analog and digital interfaces such as a 2-channel 12-bit ADC, SPI, UART, and TWI.

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).

The nRF52805 is available in our smallest package, a 2.48x2.46 mm WLCSP, optimized for two-layer PCB designs. This enables designs that are small and low cost, attributes that are typically a design trade-off, since small designs typically require four-layer PCBs, which have significantly higher cost. We provide a 9.5x8.8 mm reference layout with all ten GPIOs available, requiring only 10 external passive components (inc. two crystal load capacitors).

 

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Spec

Protocol
BT 5.2、BLE、2.4GHz
IC type
SoC
CPU
ARM® Cortex™-M4
RAM
24 kB
Flash
192kB
Package
WLCSP
NFC-A tag
- -
2-Wire
ADC
AES
Analog Comparator
- -
I²S
- -
PDM
- -
PWM
- -
RTC
ARM CrypotoCell
- -
TRNG
SPI
QSPI
- -
Temperature Sensor
UART
USB
- -

Remark

  • 64 MHz Cortex-M4
  • 192 KB Flash, 24 KB RAM
  • 2.4 GHz transceiver
  • 2 Mbps, 1 Mbps
  • Bluetooth Low Energy
  • +4 dBm TX power
  • -97 dBm RX sensitivity
  • 128-bit AES
  • UART, SPI, TWI
  • 12-bit ADC