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Jan Waclawek
10/13/05 06:56
  10/13/05 07:04

Read: 727 times

#102309 - PC...
Responding to: Erik Malund's previous message
The PC UART (16C450 - compatible) has problems in implementing the 9-bit mode. Not that it is impossible, but it's cumbersome.

But that's something you probably already know.

Jan Waclawek

PS. In non-PC environment, if standalone (not integrated into mcu) UARTs are used, there are UARTs which not only support the 9-bit mode, but also have the feature of "enhanced" UARTS found in some '51 derivatives - they can "wake-up" upon reception of a particular byte ("address") plus the 9th bit set. I came across Philips' SCN2681 but there must be more of them.

List of 9 messages in thread
9 bit 485      Erik Malund      10/13/05 06:40      
   PC...      Jan Waclawek      10/13/05 06:56      
      PIC ??      Robert Perez      10/13/05 06:58      
   8xC196Kx      Jan Waclawek      10/13/05 07:00      
   MAX3140, MAX3100 etc      Kalpak Dabir      10/14/05 02:19      
   AVR      Jan Waclawek      10/14/05 03:33      
   9bits      José Félix Díaz Ivorra      10/14/05 16:14      
      PC 9-bit      Andy Neil      10/14/05 17:20      
   68HC11      Maarten Brock      10/23/05 07:16      

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