[sdiy] Need general advice for a uP

[Synthusiast]

The S8515 has an on-board reset circuit, so you can disconnect the existing
reset circuit. You need the reset pin for the ISP dongle though. The
external interrupt level handling is reversed too between the 8051 and the
8515.

Cheers,
Martijn


> > I recently noticed that the AVR8515 chip appears to be pin compatible
with
> > the 8051 chip
>
> D'oh! I just compared the pinouts more carefully and there is one slight
> difference.
>
> It appears that the Reset/ pin on the AVR8515 is active low while the 8051
> Reset is active high. Should be easy enough to hack a new reset signal
into
> an existing 8051 board, but its a significant difference none the less.
>
>