Papabravo Well-Known Member Most Helpful Member Mar 24, 2007 #21 Nigel Goodwin said: They certainly have in the past, if I recall correctly you could configure the pins as either external memory or I/O - no idea if they still make one?, or even what it might have been called?. Click to expand... 17C42 https://ww1.microchip.com/downloads/en/DeviceDoc/30412c.pdf Looks like external program memory - not sure about RAM/IO memory Last edited: Mar 24, 2007
Nigel Goodwin said: They certainly have in the past, if I recall correctly you could configure the pins as either external memory or I/O - no idea if they still make one?, or even what it might have been called?. Click to expand... 17C42 https://ww1.microchip.com/downloads/en/DeviceDoc/30412c.pdf Looks like external program memory - not sure about RAM/IO memory