As the leader in automotive semiconductors, Freescale and Khronos Group have introduced the i.MX35, an automotive multimedia embedded microprocessor that integrates the OpenVG hardware accelerator, becoming the world's first automotive multimedia microprocessor with integrated OpenVG hardware accelerator, i.MX35 Superior multimedia performance takes car multimedia to a new level, confirming Freescale's unstoppable leadership in the automotive electronics industry.
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The low-cost full-featured function has become the development trend of the current car multimedia. The automobile has become an indispensable "in-car entertainment space" for modern consumers, and more and more functions for multimedia functions, such as automobile information, entertainment, and control. The integration needs have become increasingly prominent. High integration and low cost will be the focus of the in-vehicle multimedia solution provider competition. And the proportion of this market in the field of automotive electronics is expanding year by year.
Freescale i.MX35 (according to AEC-Q100 three-class car certification) based on ARM1136JF-S core, clocked at up to 532MHz, with enhanced multi-level cache system, integrated vector graphics hardware accelerator (OpenVG) independent image processing unit (IPU), Vector floating point arithmetic coprocessor (VFP) and RISC based DMA controller.
OpenVG is a 2D vector graphics acceleration standard proposed by Khronos Group, which can provide smooth and delicate 2D/2.5D picture effects, and obtain better human-machine interface (HMI) display and flexible text font display. i.MX35 hardware acceleration for OpenVG for smooth interactivity at very low processor power levels. More direct application is a natural acceleration of Adobe Flash, enabling engineers to design user interfaces directly in Flash without the manual C programming. The OpenVG hardware acceleration module also greatly enhances the display performance of the GPS navigation system: smooth and smooth map route display (excellent anti-aliasing capability) and font display that can be zoomed in and out according to perspective.
The integration of the Vector Floating Point Coprocessor (FPU) makes it easy to implement voice control for safe driving and greatly enhances the ability of GPS navigation devices to analyze and calculate routes.
The MediaLB (Media Local Bus) media local bus, which is specially integrated for automotive applications, enhances support for MOST networks. By connecting to the MOST INIC, it can access the MOST (Media Oriented System Transport) multimedia orientation system transmission network, which can easily control the car. Information entertainment equipment such as audio equipment, global positioning systems and car phones. Realize a cost-effective and rich automotive infotainment system.
Full support for the audio system is another feature of the i.MX35: not only can the audio device be controlled by the MediaLB external MOST network, but also can be realized by the chip-defined ESAI (Enhanced Serial Audio Interface) enhanced serial audio interface. Channel (5.1 channel) audio output or multi-speaker output. Support for S/PDIF digital audio interface. On this basis, flexible playback of multiple audio formats can be achieved.
At the same time i.MX35 has excellent connection performance: support 2 CAN bus interfaces, 2 USB (OTG/Host) on-chip integrated USB PHy layer, MMC/SD/SDIO port, FEC Ethernet interface and 3 UART interfaces
In terms of memory, i.MX35 has a wide range of choices: support for DDR2, MLC NAND Flash minimizes system cost, and also increases support for Nor Flash, which is stable and fast, enabling customers to get Product design is more flexible. The automotive software platform AUTO 4.0 released by Microsoft earlier introduced the reference design using the Freescale i.MX35 processor. Its system block diagram:
Shanghai Chenhan Electronics has been focusing on the research and development of Freescale i.MX series products. i.MX35 MDK has maintained the design concept of Chenhan Electronics' product-level development board. The product development is the starting point of design, helping customers to the maximum. Quickly bring products to market.
The i.MX35 MDK adopts a flexible core board and motherboard design framework, which fully considers the domestic mainstream manufacturing process. The CPU core board and the motherboard use 6-layer and 4-layer PCB board designs respectively, which reduces the design difficulty and process cost. lowest. On the basis of fully supporting all interfaces of i.MX35, some necessary interfaces have been added. For example, the three UART interfaces defined by MX35 are expanded on the development board by two, which meets the requirements of multi-functional design of vehicle products. In addition, the MDK development board also provides GPS module interface, Wi-Fi & BlueTooth module interface and CMMB module interface, etc. It can realize DVD playback, rear view, GPS navigation, DTV digital TV, Wi-Fi & BT wireless transmission, FM radio, MP3/MP4/MP5 audio and video playback, voice control, automotive intelligent control and other automotive multimedia functions, to maximize the customer's flexibility in product design.
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