[ntp:questions] Cheap ($29.90) GPS receiver

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Tue Apr 20 18:34:09 UTC 2010

>The serial chip does not do that.  It will send the interrupt at the
>time it has assembled a full character.

Some of the serial chips have large FIFOs and wait until the FIFO
has several characters and/or there is no activity for a while.
The idea is to save CPU cycles by batching interrupts.

These are my opinions, not necessarily my employer's.  I hate spam.

More information about the questions mailing list