Dennis Velthuis wrote: > While reading the PIC 16/17 Databook I noticed the following > about the 16C54. > > "A read of the ports reads the pins, not the output data latches, > i.e., if an output driver on a pin is enabled and driven high, but > the external system is holding it low, a read of the port will > indicate that the pin is low." > > This isn't mentioned in the datasheet about the 16C84. > Now my question is, does the 16C84 support this too? Dennis: Yes, although most users would have phrased the question as, "Does the 16C84 have the same problem?". -Andy Andrew Warren - fastfwd@ix.netcom.com Fast Forward Engineering, Vista, California http://www.geocities.com/SiliconValley/2499