Bluetooth low energy V4.2 companion or SoC

The EM9304 is a tiny, low-power integrated circuit (IC) optimized for Bluetooth ^® v4.2 low energy-enabled products. The flexible architecture of the EM9304 allows it to act as a companion IC to any ASIC or MCU-based product or as a complete System-on-Chip (SoC). Custom applications can execute from one-time-programmable (OTP) memory, and digital peripherals (SPI or I2C) can be used to interface with external devices such as sensors, memory, display, or touch drivers. A floating point unit can be exploited to implement advanced algorithms such as sensor fusion.

Included in ROM is a Bluetooth v4.2 link layer with a Host Controller Interface (HCI), a Bluetooth v4.2 stack with proprietary Application Controller Interface (ACI), several profiles, and over-the-air firmware (FOTA) updating routines. The Bluetooth low energy controller and host can be configured to support up to eight simultaneous connections. Secure connections and extended packet length are also supported per the Bluetooth v4.2 standard.