Fujitsu Semiconductor Europe has implemented a new Linux Fast-boot technology in its Jade family of SoC's, the MB86R0x-SoC devices. The technology was developed to meet the requirement for faster boot times in Linux-based automotive applications. Based on a standard Linux kernel, the technology enables developers to take advantage of the quick innovation cycles of the Linux operating system.
Jade devices are based on Fujitsus proprietary 90nm CMOS process technology, and are optimized for applications requiring high CPU performance combined with sophisticated 2D/3D graphics. They feature the ARM926EJ-S, a fully synthesizable processor with a Jazelle technology (Java Acceleration) enhanced 32-bit RISC CPU, 16kB instruction cache, 16kB data cache, 16kB ITCM, 16kB DTCM and a memory management unit (MMU).
Further features include an ETM9 (medium) and JTAG ICE interface, 8-channel DMA and 32-bit timers. Core frequency is 320MHz (generated by on-chip PLL). On-board peripherals include a unified DDR2 memory supporting 320Mbps (up to 128MB), a parallel flash/SRAM host interface with decryption engine, parallel ATA, SD-Card, CAN, USB (Host and Function), ADC, DAC, I2C, I2S, PWM, SPI, UART, GPIO and an external interrupt.
Jade devices are packaged in a 484-pin BGA, require a supply voltage of 3.3V (I/O), 1.8V (DDR2), 1.2V (Internal), and are designed to operate over a temperature range of -40 to +85°C. Display resolutions from 320 x 240 up to 1024 x 768 are supported.
Three different variants of Jade are available targeting automotive and industrial applications.
New consumer devices such as the Apple iPod can make rapid impact and create high demand, and car manufacturers want to equip their vehicles with interfaces to these latest devices. The automotive industry needs to find ways to reduce costs and re-use code from other parts of the industry. The open source model of Linux allows drivers and modules to be provided quickly by all the developers working on a project, for faster innovation and development of new applications. But Linux not only has to enable the rapid delivery of fully-featured solutions for the automotive industry, it also has to provide a solid, proven core that is stable for embedded applications and can be accepted by both the automotive OEMs and their Tier 1 suppliers.
For application development support and functional evaluation, a number of stand-alone evaluation boards are available from Fujitsu that enable the evaluation of the features and application building. Source code for various application examples, application notes and the Fujitsu Graphics API are included.
For more information visit www.fujitsu.com/emea/services/microelectronics/gdc/gdcdevices/
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