"Renesas r-car H2 is based on arm ® Cortex ™ A-15 is an automotive system level chip (SOC) with quad core configuration and big.little processing technology. Its powerful media hardware accelerator has 4xhd like 1080p video coding / decoding functions, including supporting 60 frames per second of Blu ray resolution, image / speech recognition and high-resolution 3D images without CPU board, with performance of more than 25000 DMIPS, and operating systems such as QNX ® Neutrino ® RTO,Windows ® Embedded in automobile and Linux, it integrates automobile interfaces such as Ethernet AVB, most-150 and can, as well as a large number of storage interfaces such as SATA, USB3.0 / 2.0, sdcard and PCI Express, which facilitates the system expansion. This paper introduces the main characteristics and system block diagram of r-car H2, as well as the index, block diagram and circuit diagram of automobile ADAS entry development board
The R-Car H2 is powered by the ARM ® Cortex ™ A-15 quad-core configuraTIon running an addiTIonal ARM ® Cortex ™ A-7 quad-core—the industry’s first implementaTIon of a Quad ARM ® Cortex A15 and the big.LITTLE processing technique in an automoTIve SoC.
Powerful media hardware accelerators enable features like 4 × HD 1080p video en/decoding including Blu-Ray support at 60 frames per second, image/voice recognition and high-resolution 3D graphics with almost no CPU load. These implemented hardware modules also execute the display content improvements needed for human-machine interface (HMI)/navigation data in parallel to Movie/DVD handling.
The R-Car H2 also features the Imagination Technologies PowerVR Series6 G6400 Graphics Processing Unit (GPU). This is the first worldwide implementation of the GPU into an automotive SoC, which demonstrates the state-of-the-art 3D graphics capability of the R-Car series. The R-Car H2 offers one of the best graphic performance solutions in the automotive embedded market. This GPU is ready to not only support open technologies like OpenGL ES 2.0, but also the OpenGL ES 3.0 and OpenCL standards. Support of the Open graphics standards combined with the R-Car H2’s cutting-edge IP and other features makes it the perfect platform to develop next-generation infotainment systems.
Renesas’ IMP-X4 core, implemented in R-Car H2 as an optional feature, provides real-time image processing that enables developers to support the emerging trend of augmented reality. In order to fully benefit from the IMP-X4 core, the R-Car H2 also supports up to four independent input camera channels, allowing easy implementations of 360° camera views and image recognition, just an example of the possible driver assistance functions. OpenCV support for IMP-X4 will also be offered. The R-Car H2 offers the highest level of integration of advanced safety concepts and infotainment features in the automotive market today.
The highly efficient bus architecture of the R-Car H2 includes dedicated CPU and IP caches, enabling Renesas to reduce the DDR3 memory bandwidth consumption. In order to ensure adequate memory bandwidth, the R-Car H2 is equipped with two independent DDR3-1600 32-bit interfaces. This allows for much more efficient access to different content simultaneously, compared to a single 64-bit DDR interface. The R-Car family aspires to provide users with the highest capable multitasking processing solution on the automotive market today.
The R-Car H2 integrates advanced automotive interfaces like Ethernet AVB, MOST-150 and CAN and mass storage interfaces like SATA, USB3.0/2.0, SDcard and PCI Express for system expansion. As a device option, the GPS baseband engine handles all modern navigation standards. Even here, the integration level of R-Car H2 doesn’t stop. A 24-bit DSP for codec, high-quality audio processing with hardware sample rate converters and audio mixing is part of the enormous function coverage. The Renesas R-Car family provides the highest level of advanced automotive peripherals in the market today. The Renesas Ethernet AVB solution achieves the fullest implementation of Ethernet AVB on the market, offering the Full Ethernet AVB specification and meeting the specification requirement demands of the automotive market.
High-end car information systems for 2015 on onwards will demand high-definition displays, instrument cluster, multi-display output to the rear seat monitor, a user experience specialized for automotive, improved responsiveness, and cloud services that use big data. In addition, there will be strong demand for fast startup capability and rendering performance for high-quality design that matches the luxuriousness of the vehicle interior for these embedded devices, as well as field-of-view support for the driver to establish an even higher level of safety, such as a top view monitor that displays not only the back of but all around the vehicle. To respond to these requirements, continuing from the existing R-Car H1SoC for high-end car information systems Renesas is releasing the first second-generation R-Car, the R-Car H2, which has vastly improved performance.
Main characteristics of r-car H2:
Achieves the industry’s highest performance for an SoC for car information systems of over 25000 DMIPS (double that of the R-Car H1 )
The first use of the G6400 high-performance graphics core with the latest PowerVR architecture for automotive
Equipped with the IMP-X4, which has four times the processing performance compared to the R-Car H1 , to support OpenCV
More interfaces that are required for next-generation automotive applications (USB 3.0, EthernetAVB, f
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