Nordic Semiconductor announced the first members of its new nRF51 series of ultra-low power (ULP) RF ICs that feature a new multi-protocol 2,4 GHz radio and a 32-bit ARM Cortex-M0 based processor.
Nordic’s novel software architecture for Bluetooth low energy and ANT system-on-chip (SoC) solutions frees designers from the integration effort, complexities and restrictions of chip vendor-supplied software frameworks and instead allows customers to develop their designs quickly and easily using the highly popular ARM Cortex programming environment.
This is achieved by using a new software architecture featuring a unique and powerful separation between protocol stack and user application code. This separation provides developers a clean boundary between application and protocol stack, and removes the need to struggle with integration of application code as part of a vendor-imposed application development framework.
The first two Flash-based ICs to début in the new series are the nRF51822 multi-protocol Bluetooth low energy/2,4 GHz proprietary RF SoC, and the nRF51422 ANT SoC.
The new chips provide -92,5 dB receive sensitivity in Bluetooth low energy mode, and up to +4 dBm output power in all modes. They feature sub-10 mA peak currents running off a 3 V coin cell battery.
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What is likely to happen during the sunset period for 2G and 3G signals, especially on the back of already near-obsolescence of 2G network equipment, is for the availability of the connectivity mediums to begin to reduce between now and the shutdown date.
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