14 Jun
2012
14 Jun
'12
9:30 p.m.
On 06/14/2012 04:16 PM, Tony Duell wrote:
Just to jump in...I don't know about machines, but at least one of the
later MAX232 family chips can be configured to do this. It's a
power-saving measure; it shuts down the charge pump. Note that this is
not the "MAX232", but one of that family, which comprises upwards of
thirty completely different chips now.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
(2) I've
even seen one device which powers down its transmitter unless
it sees at least one input pin being driven. This is extremely
I assuem it also powers down the drivers for any flow control outputs.
That is plain evil. What device does this?