STMicroelectronics "STSW-BLUENRG1-DK" - “The STSW-BLUENRG1-DK evaluation SW package is based on the BlueNRG-1 and BlueNRG-2 very low power Bluetooth low energy (BLE) single-mode systems-on-chip with 160 KB and 256 KB of Flash memory, respectively, 24 KB of RAM, 32-bit core ARM Cortex-M0 and ADC, GPIOs, I²C, RTC, SPI, Timers, UART, WDG and RTC peripherals”.