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Old thread has been locked -- no new posts accepted in this thread
???
03/25/09 12:24
Read: times
#163842
- counterfeit chip?
Responding to: ???'s
previous message
List of 53 messages in thread
Topic
Author
Date
Is possible? AT89S52 with dual serial baud rate
01/01/70 00:00
yes...
01/01/70 00:00
Use Timer 2...
01/01/70 00:00
Can I have both at same time?
01/01/70 00:00
you can't have different baudrates...
01/01/70 00:00
YES
01/01/70 00:00
No, unless...
01/01/70 00:00
what registers?
01/01/70 00:00
Split-speed common in older times
01/01/70 00:00
Timer 2 registers of AT89S52
01/01/70 00:00
Where can I read...
01/01/70 00:00
Well, in the datasheet!
01/01/70 00:00
Tutorials; FAQs
01/01/70 00:00
You have two UART's ... Does that give you any ideas?
01/01/70 00:00
Timer2 baudrate
01/01/70 00:00
unconfuse yourself
01/01/70 00:00
What's wrong with page 15 of datasheet?
01/01/70 00:00
Trying this...
01/01/70 00:00
Have a look at this code example...
01/01/70 00:00
This damn 52 think it is a 51 !!!
01/01/70 00:00
counterfeit chip?
01/01/70 00:00
It is for a Midi to DMX project... new trouble
01/01/70 00:00
Alternatives
01/01/70 00:00
examples
01/01/70 00:00
Options
01/01/70 00:00
Found the crystal!
01/01/70 00:00
Let's see ... What is wanted here ...
01/01/70 00:00
He is already using two timers
01/01/70 00:00
Independent UARTs
01/01/70 00:00
Crystal seens OK - Could receive Midi.. "partially" send DMX
01/01/70 00:00
Well done!
01/01/70 00:00
Russel Bull... Can you please take a look in my code?
01/01/70 00:00
I wouldn't use serial transmission interrupts
01/01/70 00:00
Makes sense!
01/01/70 00:00
Give this a try...
01/01/70 00:00
Hard to find a place to test.
01/01/70 00:00
Runtime of LCALL...
01/01/70 00:00
stop bits
01/01/70 00:00
TI flag is set at the begin of (first) stop bit!
01/01/70 00:00
TI/RI setting time
01/01/70 00:00
TI and RI details...
01/01/70 00:00
TI/RI question
01/01/70 00:00
what causes a serial int?
01/01/70 00:00
More things will happen...
01/01/70 00:00
If....
01/01/70 00:00
Yes
01/01/70 00:00
YEAAAAAAAAH! IT WORKED
01/01/70 00:00
Congrats!
01/01/70 00:00
Thanks really a lot!
01/01/70 00:00
A new challenge! The inverse way!
01/01/70 00:00
BREAK detection is lousy!
01/01/70 00:00
RB8
01/01/70 00:00
RB8 details...
01/01/70 00:00
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