nRF8001_PPS_vnRF8001 Single-chip Bluetooth low energy solution Preliminary Product Specification 0.9.3 Key Features Bluetooth low energy peripheral device Stack features: Low energy PHY layer Low energy link layer slave Low energy host for devices in the peripheral role Proprietary Application Controller Interface (ACI) Hardware features: 16 MHz crystal oscillator Low power 32 kHz ±250 ppm RC oscillator 32.768 kHz crystal oscillator DC/DC converter Temperature sensor Battery monitor Direct Test Mode interface Ultra low power consumption Single 1.9-3.6V power supply Temperature range -40 ……