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[Anandtech.com] MediaTek Reveals MT2621 SoC for IoT: Arm v7 MCU, Integrated GPRS/NB-IoT Modem - i4memory.com - different look at memory

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Old 01-12-2017, 04:34 PM   #1
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[Anandtech.com] MediaTek Reveals MT2621 SoC for IoT: Arm v7 MCU, Integrated GPRS/NB-IoT Modem


MediaTek this week announced a new SoC designed for ultra-low-power autonomous IoT applications such as wearables, security sensors, and similar devices. The MT2621 SoC integrates basic computational capabilities, a modem that supports GSM/GPRS and NB-IoT, and a number of input/output interfaces.

The MediaTek MT2621 features an Arm v7 MCU featuring one core running at 260 MHz, 4 MB of embedded Flash, and 160 KB of PSRAM for microcontroller applications that do not require substantial computational resources or memory. To connect to the outside world, the MT2621 integrates a modem DSP, a wideband module (that supports ultra-low/low/mid bands defined by the 3GPP Rel-14), RF capabilities, and even an antenna that can work over existing GSM/GPRS (as well as upcoming NB-IoT networks). The SoC supports dual standby functionality and can work over both networks simultaneously. To connect to local wireless peripherals, the MT2621 can use Bluetooth 4.2. The chip also has an LCM interface to attach LCDs, an interface for a camera, and audio interfaces to connect a speaker and a microphone.

The highly integrated design of the MT2621 allows device manufacturers to reduce the number of additional components to a minimum, which simplifies development cycles and lowers BOM costs. Furthermore, the MCU is being promoted as being power-efficient, which would enable a long battery life, which is crucial for battery-driven applications, including health/fitness trackers, IoT security sensors, smart meters and industrial equipment. Device manufacturers will also have to write their software for the MT2621 that can run a customized MCU-variant of Linux, but naturally not Android or similar operating systems.

MediaTek did not disclose which manufacturing technology it plans to use to produce the MT2621 on, but given rather modest compute capabilities of the chip (as well as target applications), the SoC will likely be made using an inexpensive low-power planar fabrication process. As for the availability timeframe, it depends on the developers of actual hardware. Typically, the development of low-power devices does not take too long, but then it can take months to validate these products and ensure everything works properly. Interested parties will need to contact their local Mediatek representatives for more information.

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