Sound, connectivity & expandibility
A very popular WiFi module labeled as CC3100 enables WiFi connectivity. This module is the complete WiFi solution on a chip: it is a powerful WiFi network processor with the power management subsystem, offering the TCP/IP stack, powerful crypto engine with 256-bit AES support, WPA2 security, SmartConfig™ technology, and much more.
Resource-demanding and complex audio processing tasks can be offloaded from the host MCU by utilizing a dedicated audio CODEC IC, labeled as VS1053B. This IC supports many different audio formats, commonly found on various digital audio devices.
The host MCU can be programmed and debugged over the JTAG/SWD compatible 2x5-pin header. A high-precision buffered voltage reference from Microchip is used to provide a very precise voltage reference with no drift, when required. The FXOS8700CQ, an advanced integrated 3-axis accelerometer and 3-axis magnetometer can detect many different motion-related events.
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