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ARM Cortex-A15 processors target tablets

Posted: 05 Dec 2011     Print Version  Bookmark and Share

Keywords:ARM Cortex-A15  tablet  dual-core processor 

Samsung Electronics Co. Ltd. reveals the availability of dual-core processor samples based on the ARM Cortex-A15 core that are designed for high-end tablets.

 Exynos 5250

2GHz dual-core Exynos 5250 processors are targeted at high-end tablets.

Samsung's 2GHz dual-core Exynos 5250 utilises 32nm high-k metal gate low-power process technology and are said to meet the graphic-intensive, power-efficient requirements of next-generation mobile products.

The Exynos 5250, is capable of processing 14 billion instructions per second (DMIPS, Dhrystone million instructions per second) at 2GHz, nearly doubling the performance over a current state of the art Cortex-A9-based dual core processor running at 1.5GHz capable of 7,500DMIPS.

In particular, the Exynos 5250 design was architected to drive up to a 2560 x 1600 (WQXGA) display to enable ever higher and sharper resolutions. These features enable users to enjoy crisper video images on their mobile devices and deliver readability equivalent to real paper for an ultimate electronic reading experience.

To maximise power efficiencies at the system level, the Exynos 5250 has an embedded DisplayPort (eDP) interface that is compliant with panel self-refresh technology (PSR) applied to the timing controller (T-CON). The embedded PSR technology enables static images to be refreshed directly from the frame buffer memory incorporated in the T-CON, resolving the need for regular display refresh instructions to be made by the application processor in cases such as reading static web pages or e-books.

The 3D graphics processing capabilities, enhanced by more than four-fold over the 1.5GHz Cortex-A9 dual-core processor, and a stereoscopic 3D feature raise the bar of user experience on high-specification 3D gaming, user-interfacing and stereoscopic 3D video playback.

Moreover, the Exynos 5250 features a doubled memory bandwidth of 12.8GB/s compared to current dual-core processors that support a maximum of 6.4GB/s to enable fast data processing features, superb 3D graphics and high-resolution display. This memory bandwidth is a key requirement for a processor to support WQXGA resolution displays.

The Exynos 5250 offers a host of peripheral functions including an embedded image signal processor enabling 8megapixel resolution images at 30 frames per second, a full HD 60 frame per second video hardware codec engine for high resolution 1080p video recording and playback, a HDMI 1.4 interface for sharp and crisp multimedia content transmission, along with a diverse scope of embedded booting device interfaces such as SATA, UART, USB and external ports such as USB3.0, eMMC4.5 and eSD3.0.

The Exynos 5250 is currently sampling to customers and is scheduled for mass-production in the second quarter of 2012.





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