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Dialog unveils Bluetooth Smart 'wearable-on-chip'

Posted: 08 Apr 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Bluetooth? wearable? SmartBond?

Dialog Semiconductor has launched what it claims as the first Bluetooth Smart Wearable-on-Chip. The DA14680 "Wearable-on-Chip" Bluetooth Smart (v4.2) features functions and competitive battery life needed in today's wearable products.

The small, low power SmartBond chip includes the key functionality to create a fully hosted wearable computing product.

The device features flexible processing power, flash memory for virtually unlimited execution space, dedicated circuitry for sensor control, analogue and digital peripherals optimised for wearable products, and an advanced power management unit. This DA14680 eliminates several external chips from wearable product design, facilitating smaller form factors, lower system cost and lowest power consumption.


Addressing the wearable market predicted to reach approximately 170 million units by 2019, the DA14680's 30uA/MHz ARM Cortex-M0 processor may be programmed to a maximum clock frequency of 96MHz. Security features include a dedicated hardware crypto engine with elliptic curve cryptology (ECC), delivering end-to-end banking-level encryption, ensuring personal data security. The device integrates 8Mbit flash memory, audio support with PDM and I2S/PCM interfaces, two separate I2C and SPI buses, three white LED drivers, a temperature sensor, multi-channel DMA, and an 8-channel, 10bit ADC. Intelligent power management, including system power rails and a Li-ion/LiPo battery charger and fuel gauge are also on-chip.

Dialog's SmartBond development kits are also available. These include the SmartSnippets software development environment, example application code and a power profiler for real-time coding.

The DA14680 will be sampling in the second quarter of 2015.

- Paul Buckley
??EE Times Europe

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