The M8051EW offers a complete, high performance 8051 core and developmentkit, based around Mentor Graphics’s highly successful M8051W implementation of this popular 8-bit microcontroller. While the standard part is designed around a12-clock machine cycle, both the M8051W and the M8051EW use a two-clockmachine cycle to facilitate particularly fast and/or low power embedded solutionswhilst retaining functional compatibility with the industry standard part.
It also features support for both up to 1 Mbyte of Program memory and up to 1 Mbyte of external Data Memory. The IP is supported by many 3rd-party C compilers and assemblers. For example, Mentor Graphics uses the C51 compiler from Keil Software for internal development and testing.
The M8051EW also features a Debug Mode in which it can be driven in singlestep fashion through a dedicated Debug interface. This aspect of the M8051EW is intended for use with First Silicon Solutions (FS2)’s In-Target System Analyzer for the M8051EW to provide a range of debugging features from basic stop/start or single-step execution and breakpoint support to reconstruction of execution history and capture of data memory, program memory and SFR accesses.