Minimum Baud Rates on Imps

Looking at the UART configure page, it mentions that the imp005 has a minimum baud rate of 9160 for uart0 and uart2. Is that a typo? Seems pretty high for a minimum. I'm looking at applications that would require support for low baud rates 300, 1200, 2400 and the imp005 boasts the only port that would handle 300 baud, yet the other two ports couldn't handle anything below 9600. Swings and roundabouts!

Comments

  • I believe that's correct, though somewhat sucky. The maximum divisor is 256, and it's a 16x oversampling UART, with a 37.4MHz reference clock.

    The UARTs on the 005 are all unique. Seriously, they're all different designs in silicon...
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