Tier One electronics supplier Hella has developed a hardware concept for a lane departure warning system based on Freescale Semiconductor's 32-bit MPC5200 controller containing a PowerPC core. Hella engineers use the controller to connect their system to a camera that provides an overview of the street and driving lanes in front of the car.
"For future image processing applications, we need high-performance controllers able to process a high data stream and complex algorithms under real-time conditions," says Rolf Küpper, VP for Hella's Driver Assistance Systems. "The MPC5200 is a good choice, with some performance reserves for additional functionality." Hella developers chose the Freescale controller not only for its computational power, but because it also allows integration of future processor-intensive functions, including real-time object recognition.
The MPC5200 mobileGT platform is supported by several real-time operating system (RTOS) and application software suppliers, allowing customers to license software from the source that best fits their needs.
"The MPC5200 is a combination of proven hardware and software technologies," notes Bill Pfaff, VP and general manager of what Freescale calls its Transumer (transportation and consumer) business. "It allows Hella to rapidly develop applications based on our mobileGT development platform."
Controller features High performance of 760 MIPS at 400 MHz with integrated floating point unit (FPU)
Low power consumption of approximately one watt
Wide variety of integrated input/output (I/O), including CAN, J1850, peripheral component interconnect (PCI), double data rate (DDR) synchronous dynamic random access memory (SDRAM), multiple serial communications interfaces (I2S, I2C, SPI, and multiple UARTs), USB, Ethernet, and ATA/IDE
Integrated DDR memory controller that accelerates data access with an effective memory bus speed of 266 MHz
Integrated BestComm DMA controller that offloads I/O-intensive data transfers from the PowerPC processor core. This facilitates rapid data movement through the device, a feature crucial for automotive camera systems.
Minus 40 to 85C extended temperature qualification
Long-term availability due to automotive market applicability
The MPC5200 is a 32-bit embedded controller based on the PowerPC instruction set architecture. It is designed for a variety of automotive applications. Key features include:
To help customers streamline time-to-market, Freescale supports the MPC5200 with a choice of comprehensive development platforms. The cost-effective Lite5200 Evaluation Board (EVB) Kit is for customers who want to quickly develop their own hardware solutions with the MPC5200. The comprehensive Total5200 Development Platform is designed to facilitate rapid prototyping. This system offers I/O expansion, an integrated LCD with touch screen, and a full audio subsystem.
Price and availability
The Lite5200 EVB Kit and Total5200 Development Platform are available with suggested prices staring at $995 and $5,000, respectively.