If you REALLY want a simple 232 driver, go for the MAX233. No external components! Clyde Smith-Stubbs wrote: > > Thus spake Ed Todd (edtodd@SNI.NET): > > Correct, and this is normally done by the RS232 driver chip. IF you check out > a MAX232 (or the older 1488 and 1489 parts) you will find that all the drivers > TTL levels in and out. You have to do the inversion yourself (but consider using > a MAX202 anyway - it's simpler and better, and not very expensive). >