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???
01/26/11 16:44
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 		 #180814 - Accessing the 9th bit
Responding to: ???'s previous message
Tom Piggin said:
from one post above you guys seemed to suggest using the 9-bit mode

No "seemed" about it - this is specifically & only about the 9-bit mode; aka "multiprocessor" mode.

For access to the 9th bit, see the TB8 and RB8 bits in the SCON SFR :
http://www.8052.com/tutser.phtml#Serial Mode

Try searching this forum for "multiprocessor"...

List of 28 messages in thread
TopicAuthorDate
automatic address recognition on 8051            01/01/70 00:00      
   8-bit or 9-bit?            01/01/70 00:00      
      google            01/01/70 00:00      
         8051 microcontrollers: an applications-based introduction            01/01/70 00:00      
      You need both 9-bit *and* the "Enhanced" UART            01/01/70 00:00      
         I guess he has the enhanced            01/01/70 00:00      
            Indeed!            01/01/70 00:00      
               rephrase            01/01/70 00:00      
   which chip?            01/01/70 00:00      
      Aside: multi-UART chips not necessarily all Enhanced?            01/01/70 00:00      
         UART0 and UART1            01/01/70 00:00      
            continued            01/01/70 00:00      
               Accessing the 9th bit            01/01/70 00:00      
               Did you check the link I mentioned?            01/01/70 00:00      
                  risky suggestion            01/01/70 00:00      
                     Yes - staying in the 9-bit mode            01/01/70 00:00      
                  google            01/01/70 00:00      
                  link checked and other queries            01/01/70 00:00      
                     also...            01/01/70 00:00      
                         Accessing the 9th bit (again)            01/01/70 00:00      
                           another moment of stupidity            01/01/70 00:00      
                     getting there            01/01/70 00:00      
                        thanks for clearing this up            01/01/70 00:00      
                           fig 14 of WHAT            01/01/70 00:00      
                              link            01/01/70 00:00      
                           SM2            01/01/70 00:00      
               enhanced            01/01/70 00:00      
   thanks            01/01/70 00:00      

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