The new Single-Wire On-chip Rapid Debugging (SWORD™) interface for the R8051XC2™ microcontroller core connects the 8051 to its debugging unit with just one IC debug port. The popular Joint Test Action ...

[Andrew] picked up a handful of these big STC 8051 chips for a song and dance. The problem he has with them is the clunky VB6 programming software that only wants to run on a Windows box.

With the release of the M8051E-Warp core, Mentor Graphics® adds unique on-chip debug capabilities to the industry's leading 8051 architecture,'' said Mick O'Brien, general manager of the Inventra(TM) ...