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Nordic Semiconductor’s Bluetooth 5-Enabled nRF52840 Dev Kit


The nRF52840-PDK is a versatile single board development kit for evaluating the nRF52840 system- on-chip (SoC), a proprietary wireless connectivity solution that supports several protocols, including the recently released Bluetooth® 5 specification. Bluetooth 5 introduces longer range and throughput improvements that significantly enhance Bluetooth wireless technology’s suitability for smart home, wearables, and Internet of Things (IoT) applications. The Nordic nRF52840 Preview Development Kit enables


developers to evaluate wireless connectivity designs based on the onboard nRF52840 SoC. The kit includes four user-programmable buttons and LEDs, is hardware compatible with the Arduino Uno R3-based shields, and features connector pins for all inputs and outputs (I/O) and interfaces, including a dedicated connector for the included external NFC antenna. The nRF52840 SoC builds on the architecture of Nordic


Semiconductor’s existing nRF52 Series of SoCs to support complex Bluetooth low energy and other low-power


Mouser Now Stocking Toshiba’s Compact, Ultra-Low-Power TC356xx Bluetooth IC Controllers


Designed and optimized for high- quality, cost-effective designs, the single-chip TC356xx controllers from Toshiba all support the Bluetooth low energy (BLE) 4.1 standard and enable engineers to easily integrate Bluetooth into industrial, medical, smart home, wearable and automotive applications.


The Toshiba TC35667/TC35676


Bluetooth controllers offer a flexible system architecture that includes an embedded Bluetooth profile model (an API over a UART host) or a stand- alone model (an embedded Bluetooth stack and profile with no host needed). Communication interfaces include two UARTs, an SPI and I2C interface as well as 15 programmable inputs and outputs (I/Os), including a three-channel PWM output and a four-channel, 10-bit analog-to-digital converter (ADC). The Toshiba TC35670/TC35675


Bluetooth controllers, also available from Mouser Electronics, provide many of the same communication interfaces and operational features as the TC35667 and TC35676 devices. The TC35670 and TC35675 devices provide seven programmable I/Os and also support NFC Tag capabilities which allow them to wake up BLE devices from sleep mode. This functionality


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wireless applications. The nRF52840 SoC employs a 64MHz, 32-bit ARM® Cortex®-M4F processor employed on Nordic’s nRF52832 SoC, plus a CPU with ample generic processing power, floating point, and digital signal processor (DSP) performance. The nRF52840-PDK complies with


the Bluetooth 5 specification, which, coupled with increased maximum output power, enables the nRF52840 SoC to deliver Bluetooth low energy


wireless connectivity with up to four times the range or up to twice the raw data bandwidth (2 Mbps) compared with the Bluetooth low energy implementation of Bluetooth 4.2. In addition to Bluetooth 5 support, the nRF52840 SoC includes IEEE 802.15.4 capabilities for ZigBee® and Thread-based smart home technologies or as a Network Adaptation Layer with 6LoWPAN and standard internet protocols. The nRF52840 SoC’s support for 802.15.4 significantly extends its capability as an interoperable foundation technology for IoT, smart home, or industrial sensor wireless networks using several different wireless technologies.


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is initiated through the NFC antenna, which enables easy Bluetooth pairing after confirming the Bluetooth device’s address. The configuration and connection offered with these devices provide engineers with an easy setup and helps extend battery life for their end application. The TC356xx devices feature simplified on-chip peripheral integration and built-in discrete components that require only a small radio frequency (RF) circuit to function. To further simplify memory requirements, the TC35676 and TC35675 feature 192 KBytes of flash memory, so no external EEPROM memory is needed. All of the TC356xx devices feature an input voltage range of 1.8V to 3.6V, making them suitable for use with a variety of battery types, including coin cell, AAA, or AA.


More Information January 2017


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