TI delivers high-temp Bluetooth Smart wireless MCU

Release time:2017-04-10

The SimpleLink Bluetooth low energy CC2540T from Texas Instruments (TI) is a highly-reliable, low power wireless microcontroller (MCU) that offers an extended temperature range of -40C to 125C and USB connectivity for industrial applications. The CC2540T is a complete solution for easier development with TI's BLE-Stack software and sample applications, including over-the-air download support for in-field updates.

 Bluetooth Smart new features:

Small form factor, low power connectivity for industrial and consumer lighting

 Wireless human machine interface (HMI) and remote display saves costs, improves user experiences and enables remote display, monitoring and debugging

  Wireless human machine interface (HMI) and remote display saves costs, improves user experiences and enables remote display, monitoring and debugging

Storage of personalized preferences, such as operator setups and ergonomic details, on your mobile device

Transfer maintenance-related data to and from difficult-to-reach equipment via a mobile device for sending updates, such as firmware and calibration values

Cable replacement of RS-232, RS-485 or USB connections with moderate throughputs (<100 kbps) including motor drive and control can use Bluetooth Smart transmissions

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The EEMBC group expanded its benchmark for ultra-low power microcontrollers, adding a test for peripherals to its existing benchmark for cores. At press time, the group had more than a dozen results, mainly from Ambiq and STMicroelectronics, that it planned to post on its website. The ULPMark-PeripheralProfile includes 10 one-second tasks that use a combination of four peripherals — analog-to-digital converters, real-time clocks, serial peripheral interfaces, and pulse-width modulators. All of the peripheral and core tests essentially monitor work per joule. Many microcontrollers “may use the same ARM cores, but how they are implemented varies greatly,” said Markus Levy, EEMBC’s president. Though standard benchmarks are based on 3.0-V parts, vendors also can publish low-volt results that, at 1.8 V, show significant improvements. “Users should also look at temperature because outside of room temperature, performance and efficiency can drop — these are differentiators,” he said. Early results from STM show the impact of shifting to 1.8 V. (Image: EEBMC) EEMBC sells the benchmark software for $2,500. For an extra $1,000, users get Arduino and Raspberry Pi test boards as well as a new energy-monitoring board designed by STMicroelectronics that will be available at the end of the month. The working group for the benchmark consisted of a who’s who of MCU vendors, most of whom are expected to post results soon. They include Ambiq, Analog Devices, Cypress, Dialog, Microchip, Nordic, NXP, ON, Renesas, Silicon Labs, STMicroelectronics, and Texas Instruments. In addition to its ULPMark-CoreProfile for MCU cores, the group has released an IoTMark-BLE test that measures the energy used by a subsystem including an MCU, radio, and protocol stack. It expects to have a beta release in October of SecureMark, a security benchmark that mimics transport layer security functions, using security primitives for elliptic curve cryptography and AES.
2017-09-13 00:00 reading:498
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