Many apologies - I've just rechecked & can verify I was completely &
utterly wrong!

Bugger these scopes with the B channel set to inverted!

RP






R Prosser wrote:
> Debbie
> If you look at a RS232 line on a 'scope with conventional polarity (i.e.
> Positive = up) then :
> Start bit is always LOW
> Data are whatever you set them (High = 1, Low = 0) (I think) LSB is sent
> first.
> Parity is as set (same convention as data)
> Stop bit(s) are always HIGH
> Idle is High.

This is completely wrong!

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu