Datasheet Summary
..
DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
.maxim-ic.
GENERAL DESCRIPTION
The DS89C430, DS89C440, and DS89C450 offer the highest performance available in 8051-patible microcontrollers. They feature newly designed processor cores that execute instructions up to 12 times faster than the original 8051 at the same crystal speed. Typical applications will experience a speed improvement up to 10x. At 1 million instructions per second (MIPS) per megahertz, the microcontrollers achieve 33 MIPS performance from a maximum 33MHz clock rate.
The Ultra-High-Speed Flash Microcontroller User’s Guide should be used in conjunction with this data sheet....