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Power-efficient IoT apps enabled by ARM-based processors

Posted: 15 Apr 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Toshiba? IoT? processor? ARM? CPU?

Toshiba America Electronic Components Inc. has extended its TZ5000 series of ApP Lite processor family with devices based on the ARM Cortex-A9 dual-core CPU. According to the company, the TZ5010XBG, TZ5011XBG, TZ5021XBG and TZ5023XBG processors leverage Toshiba's proprietary hardware-based technologies for power management and system integration, delivering the low power consumption required for Internet of Things (IoT) applications.

The TZ5010XBG and the TZ5011XBG application processors incorporate a built-in baseband for high-speed Wi-Fi 802.11ac, graphics and video engine. The processors extend CPU performance, memory performance and temperature range compared to earlier products in the TZ5000 line, making them suitable for IoT products that require greater data capacity, and enabling them to be used in a broader range of applications.

ApP Lite processors targeting the IoT

Toshiba has added four products to its TZ5000 series of ApP Lite processors targeting the IoT.

The TZ5021XB and TZ5023XBG support LP-DDR2/3 memory, specialised low-power mode for mobile devices, and a small package size for IoT applications. Additionally, the TZ5023XBG has a low-power DSP, the Cadence Tensilica HiFi Mini, which executes voice, audio and sensor processing.

In addition, Toshiba has released a general-purpose reference board, Android and Yocto Linux (Yocto Project) software development kits (SDKs), and design guidelines for easy installation of the development environment.

Hardware-based power management technology makes it possible to enter into a low-power mode in microseconds and to transit to low-power mode more easily compared to significantly slower software-based power management technology. It reduces power consumption and contributes to better thermal dissipation for most applications.

The TZ5010XBG and TZ5011XBG processors each come in a 12mm x 13mm x 1.2mm ball-grid-array (BGA) package with 0.5mm pitch and feature HD (1080p) video at 60fps with decode and a DDR3 x 32bit DRAM running at 1866Mb/s. The TZ5021XBG and TZ5023XBG each come in a 12mm x 12mm x 0.8mm package-on-package (PoP) with 0.5mm pitch. Video resolution is 1080p at 30fps with decode, and DRAM is LP-DDR2/3 x 32bit running at 1333Mb/s. All devices feature an Imagination PowerVR SGX540 GPU.

Samples of the four ApP Lite processors are available. Mass production is under way for the TZ5010XBG and TZ5011XBG, and will begin in June for the TZ5021XBG and TZ5023XBG.





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