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CANopen functionality

CompactPCI PowerPC board

The CPCI-CPU/5201 board by ESD (Germany) was designed for cost sensitive applications with low power consumption and a long product availability. The CompactPCI-PowerPC board offers CAN interfaces and CANopen.

(Photo: ESD)

THE BOARD'S FREESCALE RISC MICRO-CONTROLLER MPC5121e with FPU and flash memory support is suited for data processing purposes. The board contains one Ethernet interface for 10/100 Mbit/s that is accessible via a RJ45 connector in the front panel. The ISO 11898 compatible CAN interface is accessible via a DSUB-9 connector in the front panel. The CAN interface is electrically isolated and supports bit rates up to 1 Mbit/s. Additionally, up to two CAN and/or three RS-232 interfaces can be provided via a 4 HP enlargement at the front on request. There is also a variety of higher layer protocols like CANopen, J1939, and ARINC 825 as well as an Ethercat master stack available.

Block diagram of the board (Photo: ESD)

The MPC5121 CPU contains the e300 Power Architecture technology processor core and operates with 400 MHz and up to 760 MIPS. It is equipped with a 32-KiB instruction cache and a 32-KiB data cache. The superscalar processor core comes with instruction and data MMU and an integrated double-precision floating-point unit. The flash memory carries the ‘U-Boot’ program that enables the board to boot various operating systems from network or on-board Flash. Thus Linux and Real-time OS like QNX and VxWorks are directly supported with full support of on-board drivers by the company, others on request.

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