The HPC46100 is a member of the HPCTM family of High Performance microControllers Each member of the family has a similar core CPU with unique memory resources and I O configuration to suit specific applications The HPC46100 is fabricated in National's advanced microCMOS technology This process combined with an advanced architecture provides fast flexible I O control efficient data manipulation high speed computation and low power consumption Throughput is enhanced by operating the HPC46100 at frequencies up to 40 MHz by integrating a Multiply Accumulate Unit (MAU) onto the chip and by optimizing instructions to increase efficiency These features increase performance in closed loop digital servo and filter applications The HPC devices are complete microcomputers on a single chip All system timing internal logic RAM and I O are provided on the chip to produce a cost effective solution for high performance applications On-chip functions such as an MAU unit PWM outputs Chip Select Signals UART up to seven 16-bit timers with input capture capability WATCHDOGTM logic vectored interrupts and MICROWIRE PLUSTM provide a high level of system integration The ability to directly address up to 64 kbytes of memory enables the HPC to be used in powerful applications typically performed by microprocessors and peripheral chips