Nordic Semiconductor nRF52805-CAAA-R7, Bluetooth System On Chip SOC for Bluetooth, 28-Pin WLCSP

The Nordic Bluetooth 5.2 System-on-chip is 7th addition to the industry-leading nRF52® Series. It features an Arm Cortex-M4 processor, clocked at 64 MHz (144 Core Mark), with excellent efficiency (65 Core Mark/mA). It has 192 KB Flash and 24 KB RAM and integrates a range of analogue and digital interfaces such as a 2-channel 12-bit ADC, SPI, UART, and TWI.

64 MHz Arm Cortex-M4
Optimized for small two-layer PCB designs
Integrated DC/DC regulator