The BlueNRG-1 is a very low power Bluetooth low energy (BLE) single-mode system-on-chip, compliant with Bluetooth specification.The BlueNRG-1 extends the features of award-winning BlueNRG network processor, enabling the usage of the embedded Cortex M0 for running the user application code.The BlueNRG-1 includes 160 KB of programming Flash memory, 24 KB of static RAM memory with retention (two 12 KB banks) and SPI, UART, I²C standard communication interface peripherals. It also features multifunction timers, watchdog, RTC and DMA controller.

Bluetooth specification compliant master, slave and multiple roles simultaneously, single-mode Bluetooth low energy system-on-chip
Integrated linear regulator and DC-DC step-down converter
High performance, ultra-low power Cortex-M0 32-bit based architecture core
Programmable 160 KB Flash
24 KB RAM with retention (two 12 KB banks)
DMA controller
PDM stream processor
Battery voltage monitor and temperature sensor
Accurate RSSI to allow power control