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Old thread has been locked -- no new posts accepted in this thread
???
02/27/08 22:34
Read: times
#151574
- Link in original post
Responding to: ???'s
previous message
The link is at the bottom of the original post:
http://www.8052.com/forum/read.phtml?id=151454
List of 40 messages in thread
Topic
Author
Date
P3.5 input problem
01/01/70 00:00
100k is way too large
01/01/70 00:00
Yup
01/01/70 00:00
ports1-3 vs. port0
01/01/70 00:00
a small correction
01/01/70 00:00
Page 4 datasheet says
01/01/70 00:00
Calculating the maximum resistor
01/01/70 00:00
Calculating the ...
01/01/70 00:00
80uA is not a maximum specification
01/01/70 00:00
re:resistor
01/01/70 00:00
Resistor
01/01/70 00:00
I would not
01/01/70 00:00
Resistor
01/01/70 00:00
Resistor ... again ...
01/01/70 00:00
basic troubleshooting first
01/01/70 00:00
the sensor and its application
01/01/70 00:00
Oh, max frequency is ~4kHz :-)
01/01/70 00:00
Please ignore the "basic troubleshooting"
01/01/70 00:00
pray tell why
01/01/70 00:00
Capacitance problems ...
01/01/70 00:00
You have totally misunderstood the situation
01/01/70 00:00
thank you Kai
01/01/70 00:00
maybe it is
01/01/70 00:00
Link in original post
01/01/70 00:00
datasheet
01/01/70 00:00
Being paranoid is a good attitude...
01/01/70 00:00
Paranoia medicine
01/01/70 00:00
Yes, perfect, i also thought about this...
01/01/70 00:00
the "industrial strength" 485 transciever
01/01/70 00:00
But they gaurantee this
01/01/70 00:00
But the micro port shouldn't be driving anything
01/01/70 00:00
Missing the boat.
01/01/70 00:00
Waving at the boat.....
01/01/70 00:00
wrong place (in some instances)
01/01/70 00:00
More about the P3.5 pull-up issue
01/01/70 00:00
one
simple
way
01/01/70 00:00
AT89S8252
01/01/70 00:00
Please read this...
01/01/70 00:00
ABS & Safety
01/01/70 00:00
safety concerns
01/01/70 00:00
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