Features
- Bluetooth Low Energy (Bluetooth 4.2 specification)
- Arm® Cortex®-M0 application processor
- Flexible memory architecture: 64kB One-Time-Programmable (OTP) memory, 128kB Data SRAM, 16kB Cache SRAM, 128kB ROM
- Dedicated hardware crypto engine
- Integrated battery and system PMU
- Power supply 1.7V - 4.75V
- Single pin RF I/O
- Rich set of analog and digital peripherals
Benefits
- Processing power on-demand
- Unlimited execution space
- High-level security
- PMU can power a complete wearable system
- Advanced interfaces for voice commands and audio support
- World-class radio performance
- Sensor hub functionality
- Optimized for flexibility, lowest power consumption, smallest footprint, and lowest system cost
Description
This highly integrated solution supports the full Bluetooth® 4.2 features. As a SmartBond™ device, it offers the highest performance, lowest power consumption and smallest footprint. Delivering processing capacity when you need it and saving power when you don’t, it can manage multi-sensor arrays and enable always-on sensing. Plus, our SmartSnippets™ tooling helps you optimize your software for power consumption.
The DA14681 system-on-chip (SoC) includes Flash memory, offers unlimited execution space and enables Over-the-Air (OTA) updates. With an integrated power management unit (PMU) that includes system power rails, a battery charger and a fuel gauge, it supports rechargeable batteries natively and can power a complete wearable system. Meanwhile, a dedicated hardware crypto engine delivers banking-level security (including Apple HomeKit support) with end-to-end encryption to keep personal data safe.
The DA14681 delivers unparalleled flexibility offering virtually unlimited computing space to software application developers by enabling the latter to expand the size of their code execution space through a flexible external memory interface.
Applications
- Wearable devices (multi-sensor): Fitness/Activity trackers, sport watches, smart watches
- Virtual reality
- Smart home
- Consumer appliances
- Home automation
- Voice-controlled remote controls
- Rechargeable keyboards
- Toys
- Industrial automation
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- Software PackageRenesas’ comprehensive collection of Bluetooth® Low Energy mobile applications: SmartBond, SmartConfig, SmartConsole, SmartTags, and SUOTA
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- Software PackageRenesas’ comprehensive collection of Bluetooth® Low Energy mobile applications: SmartBond, SmartConfig, SmartConsole, SmartTags, and SUOTA
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Development ToolDelivers advanced debug and trace capabilities for analyzing, optimizing, and certifying embedded systems across more than 2,000 Renesas SoCs, MPUs, and MCUs. The solution supports the full product lifecycle—from pre‑silicon, cloud‑based development through prototyping, validation, and in‑field analysis. It provides a comprehensive feature set with ...Provided By: Lauterbach GmbH- OS and RTOSThe Zephyr Project is a Linux Foundation hosted Collaboration Project. It’s an open-source collaborative effort uniting developers and users in building a best-in-class small, scalable, real-time operating system (RTOS) optimized for resource-constrained devices, across multiple architectures. Renesas is a Platinum member of the Zephyr ...Provided By: Zephyr Project
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Support Communities
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DA14681 pro board works well with debugger, but halted when run alone
Hi, Dialog, I build a app based on px reporter, add a timer to read data from I2C bus through adapter when connected to a central device. the most strange thing was, it worked well when in jlink jtag mode, but halted after connected and send several packets of data ...
Jan 6, 2017 -
Time period of watchdog in DA14681
Hi Dialog, I don't found the parameter for setting watch dog period in DA14681's SDK. How long time will watch dog expired if no notify to it? There is a task which costs a long time to communitation with peripheral device by UART (send data and wait for ...
Mar 1, 2017 -
DA14681 sleep and wakeup timer mode?
Hi dialog I m working on custom baord based on DA14681. I want to know how to go into sleep mode and how to set a synchronous timer to wakeup automatically. Actually my application needs that device automatically wakesup after every minute, read ADC temperature, writes to flash and go ...
Sep 23, 2020
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