Messages in this thread | | | From | "Stuart MacDonald" <> | Subject | RE: Serial custom speed deprecated? | Date | Fri, 25 Aug 2006 11:17:42 -0400 |
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From: On Behalf Of linux-os (Dick Johnson) > But the baud-rates have always been some approximation that starts > at 75 and increases by powers-of-two. This is because the hardware > always had fixed clocks with dividers that divided by powers-of-two. > What is the claim for the requirement of strange baud-rates set > as an integer of dimension "baud?" Where does this requirement > come from and what devices use these?
Perhaps you'd like to check out our products http://www.connecttech.com/
We build a lot of custom boards that have odd clocks to generate very odd baud rates for random serial devices. The Bxxx style has been a thorn in my side since 1999.
Also, Oxford's 16PCI95x family has three different points of altering the clock; the clock prescaler, the actual sample rate (which is the classic /16 that most are used to), and the actual divisor. That can produce pretty much any baud rate, albeit with some error.
..Stu
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