This year's CES has earned the attention of the audience in the car. A wave of driverless cars headed by Mercedes-Benz allows everyone to experience the feeling of futurism. In this era of intelligent development of the car, the major chip manufacturers are also unable to withstand, and they are eager to move, and they all want to take a slice of the big trend.
NVIDIA Tegra X1
The new Tegra X1 chip from NVIDIA is designed for the car. Like the previous Tegra, the Tegra X1 is still an SoC chip based on the ARM CPU + NVIDIA GPU. Its CPU part does not use the Denver architecture that NVIDIA has been researching and developing, but adopts the A57+A53 eight-core processor combination similar to the Big-Little design. The GPU changes are equally huge. The Tegra X1 directly uses the Maxwell architecture, and integrates two new SMM units, totaling up to 256 stream processors, and the theoretical computing power exceeds 1T Flops (FP16). Regardless of processing power or performance per watt, the Tegra X1 has a further improvement over the Tegra K1.
There are also surprises in the process. With the desktop architecture still stopping at 28nm, NVIDIA deployed the TSMC 20nm process for the Tegra X1. The new process not only ensures that the heat and power consumption of the chip is controlled, but also controls the size of the chip.
The Tegra X1's chip design has many unique cheats from NVIDIA, such as the CPU architecture part. Unlike previous Big-Little, the core of Tegra X1 achieves full cache consistency, which not only greatly improves cache efficiency and utilization, but also provides the most fundamental guarantee for smoother task-switching sharing between all cores. The Tegra X1's CPU does not suffer from the task switching performance loss and limitations that the normal Big-Little architecture will encounter, which will result in better performance and power performance while simplifying programming and optimization.
The Tegra X1 will be applied to autonomous driving car systems. The Tegra X1 provides processing power to provide accurate road detection capabilities such as the ambulance position at the rear, the pedestrian position in front, the status of the signal lights, and the position of the speed camera, which can be presented in real time. However, the most direct demonstration of this chip is in the central information center.
Qualcomm Xiaolong 602A
At this year's CES 2014 Consumer Electronics Show, Qualcomm announced that its wholly-owned subsidiary Qualcomm Technologies has launched its automotive-grade infotainment chipset, the Qualcomm Snapdragon 602A application processor, to enrich its products in the automotive sector. The processor includes a quad-core KraitCPU, Adreno 320 GPU, Hexagon DSP, and integrated GNSS baseband processing with additional high-performance audio, video and communication core modules. In addition, the Snapdragon 602A processor is designed specifically for the automotive industry for high temperature, quality, service life and reliability, bringing its cutting-edge technologies and experience in top smartphones and tablets to the automotive sector.
The Snapdragon 602A processor has low power consumption while having powerful performance. In addition, with the help of Qualcomm Krait CPU and Adreno GPU, multi-OS support, enhanced 3D navigation, fine image and human-machine interface (HMI), face recognition, gesture recognition and more can be realized. In addition, the on-chip Hexagon DSP supports natural speech recognition, high-quality audio processing, codec, image stitching, and third-party DSP algorithms. In addition, the video and camera processing engine built into the Snapdragon 602A processor can support multiple hardware-accelerated, simultaneous codec HD displays and cameras.
Broadcom Car Ethernet Chip
Announced the next generation of BroadR-Reach automotive Ethernet chips optimized for low-power automotive applications. The chip has a transfer rate of up to 100Mbps on a single pair of unshielded twisted pairs, a volume of 6 & TImes; 6 mm, integrated with multiple discrete device functions. The new generation of BroadR-Reach technology extends Ethernet in-car applications to telematics, roof shark fins and instrument clusters.
The chip has an area of ​​36 square millimeters and integrates multiple components to achieve a transmission rate of 100 Mbps on a single pair of unshielded twisted pairs. A new generation of automotive Ethernet chips extends the use of Ethernet in the car to original information processing, instrument clusters and antennas.
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