AT89C2051 can be programmed in parallel mode only. For cheap programmer try http ://www.elnec.com/51&avruk.htm. > > Hi all > Does anybody know where I can find in the Web a circuit of a serial > programmer for ATMEL 89C2051? > Is there some serial programmer for ATIMEL as simple PICPROG or PIP02 ? > I woud like a simple one. > Thanks in advance. > Luis F.