Philips Semiconductors has announced a new member of the high-performance 16-bit XA family of microcontrollers tailored for controller area network (CAN) applications such as high-performance industrial and automotive systems. The XA-C3 is compliant with the CAN 2.0B standard and features PeliCAN (Philips' extended library CAN) functionality, incorporating a CAN transport layer coprocessor to improve performance and decrease system cost and design time.
The high communications reliability of CAN devices makes this standard an ideal solution for equipment control applications such as photocopiers, medical equipment and factory automation. CAN microcontrollers are also useful in applications such as electronic wheelchairs and navigational systems. According to the CAN in Automation (CiA) Group, the number of CAN application nodes in 1998 was 60 million units and this number is expected to have grown by nearly 50% in 1999 and more than 50% by the end of 2000.
The XA-C3 is a member of Philips Semiconductors' eXtended Architecture (XA) family of microcontrollers and combines standard peripherals with a PeliCAN CAN 2.0B engine to support the maximum CAN data rate of 1 Mbps. It features 32K of OTP program memory and 1K of on-chip data static random access memory (SRAM). The chip also includes a universal asynchronous receiver transmitter (UART) and serial peripheral interface (SPI) port to enable integration of various serial interfaces to a CAN network.
The device supports the C operating language and runs at a 32 MHz operating frequency at 4,5 to 5,5 V. The XA-C3 also supports multitasking and realtime operation with a 16-level interrupt priority system that handles the 42 vectored interrupts with fast context switching. In addition, the device includes power-down and idle modes to enable low-power operation.
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