I'm looking for suggestions for a current equivalent (i.e. available!) to the ancient 6551 serial i/o UART... basically, I need a parallel memory mapped interface, baud rates at low speed (don't need more than 9600 or so) and DIP package for preference.
This is to bolt onto the zombie cpu... *I've* got half a dozen 6551s lying around doing nothing, but I think a modern UART would be a better choice.
So far I've found the Intersil 82C50, which is nice as it has the baud rate generator on board, but it's a 40 pin DIP which is a bit excessive in real estate and it's not cheap - pushing fifteen quid.
Or the MAX3100 - but I'd have to bit-bang the interface... and I have no shift instruction (I *knew* I'd find a need for it if I didn't put one in ;) )
Phillips SCC2692 or friends? Hmm, the 2691 has only 24 pins.