Re: TStik CAN speeds

Edward Hetherington wrote:
> The biggest question is - is the TINI module reliable at 16 MHz?

The module is designed for 14.7456MHz X 2.  You can change the RAM and 
flash to obtain higher clock rates.  Many customers have built custom 
boards and are running above 70MHz.

> The next biggest question - What does the TINI board do with it's serial 
> ports on startup (with a 16 MHz crystal)? Does it find a baud rate that 
> works for the downloads?

Using the onboard RTC as a reference, it determines its external crystal 
rate and calculates baud rate reloads based on this value.  The firmware 
currently does not use the divide by 13.

At 16MHz X 2, the fastest standard baud rate on serial0 is 57600.  The 
boot loader will autobaud to 57600, but Slush would have to be rebuilt 
as it is hardcoded to use 115200.

-Bryan

-- 
--
Bryan Armstrong
bryan.armstrong-6tN4nzCoH/[email protected]


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