With the demand for car safety and related performance, how automotive electronics manufacturers respond positively to this need becomes the key to success. Spansion has been in the automotive electronics industry for many years, and after the Fujitsu MCU and analog divisions were taken over in 2013, they added to the auto electronics industry. Electronic enthusiast network interviewed Mr. Bu Yangchun, Spansion Marketing Manager, in the latest issue of Automotive Electronics Special Issue to discuss Spansion's latest technologies and strategies in automotive electronics.
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As far as we know, the demand for auto-driving and safe driving of automobiles has gradually increased in recent years. When talking about this trend, Manager Bu also affirmed this, and he also met MCUs to meet this trend. The direction of development was analyzed. He believes that autonomous driving is a trend in the future development of automobiles, which can be viewed from three aspects:
First of all, autonomous driving means that the car is more intelligent/humanized, and the MCUs inevitably require higher processing power, greater internal storage, and more efficient internal communication;
Secondly, the security requirements are higher. In addition to the hardware quality, it is necessary to ensure the operation of the MCU and the security of the communication system. It is difficult for ordinary automobile control MCUs to meet such requirements.
Third, a more environmentally friendly, more advanced MCU design and manufacturing process can make system costs more competitive and result in lower power/fuel consumption.
Spansion Marketing Manager Bu Yangchun
Manager Bu believes that the development of automotive control MCUs only meets this trend, and at the same time considers how to make cars more intelligent, meet higher security requirements, and consider environmental friendliness in their design. This is the development direction of the car control MCU.
Spansion also launched the latest generation of Spansion Traveo series processors to help automakers build safer and more experienced ADAS, which is the car's advanced driver assistance system. Manager Bu went on to say. This is an important part of car autopilot. Spansion's recently announced Spansion Traveo TM family of MCU processors is designed for future automotive systems.
Currently, the series of processors use 55nm and 40nm advanced processes for design and production. The Spansion Traveo family of processors features a high-performance ARM Cortex R5F architecture for greater processing power and more efficient Flash memory cells. In order to meet more efficient internal communication, the series of processors has added communication interfaces such as CAN-FD (vehicle network communication) and HyperBus (bus communication). In addition, the built-in SHE security engine of this series of processors ensures the security of the ECU unit itself and the network security of communication with other ECUs. Based on this series of processors, you can create a more secure and experiential ADAS.
All industries are driven by the whole body. As car safety and maneuverability are improved, the data that car MCUs need to process and store at the same time will increase. As a leader in the storage industry, how does Spansion handle this? What is the growth demand for data transfer and storage?
"As the industry's leading supplier of Flash memory and MCU, Spansion has a number of patented technologies for high-speed data transmission and storage and has developed a variety of products to meet the needs of different automotive applications." Manager Bu stressed.
"Spansion's latest HyperBus interface was also introduced to meet this data transfer needs." Manager Bu continued.
According to Manager Bu, the Spansion HyperBus TM interface is a revolutionary NOR Flash memory interface with a read speed of 333MB per second, which is more than 5 times faster than the normal Quad SPI interface, and the pins it occupies. The number is reduced to 12, only one-third of the parallel NOR Flash memory.
At the same time, Spansion is the first to introduce Flash memory and MCU products supporting HyperBus interface. Other vendors are also rolling out products that support HyperBus.
All of the above talked about the problems of traditional cars. When asked about the electric cars that have been developed in recent years, Spansion will have some countermeasures. Bu Manager gave us some sharing.
As an alternative to traditional gasoline and diesel vehicles, he believes that the prospects for electric vehicles are generally optimistic. The requirements for electric vehicles for MCUs are quite different from those for traditional gasoline and diesel vehicles. The power of the traditional gasoline-diesel car mainly comes from the gasoline-diesel engine, and the power of the electric car comes from the battery, and relies on the drive motor to complete the conversion of electric energy to power.
Spansion believes that the MCU products for electric vehicles must take into account the characteristics of electric vehicles. For example, the control unit of an electric vehicle drive motor generally requires an external rotary decoder (RDC) to accurately grasp the operating state of the drive motor. The MCU we developed, for the characteristics of electric vehicles, the RDC is embedded, the performance is better, and the cost is more competitive. This product has been adopted by internationally renowned car manufacturers.
The success of any industry is inseparable from the support of thousands of suppliers in the back, just as the advancement of the automotive industry has benefited from the inheritance and innovation of technology in companies like Spansion. Looking forward to Spansion will help us build a smarter and safer car in the future. This article is from the electronic enthusiast network July "Automotive Electronics Special"
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