On Tue, 4 Sep 2012, Rod Smallwood wrote:
1. Change the S to an M = MC80951S
2. Loose the 9 = MC8051S
Yup it?s a version of a Motorola 8051
I don't think so.
1. The MCS 8051 came after the SC80251P (the IC I have)
2. AFAIK, Motorola has never built the 8051
Christian