Am 19.11.2002 16:01:51, schrieb "Harry Lemmens" <[email protected]>: >I thought all of the MSP430 family could implement a semi hardware/software >UART using Timer "A"? In fact, this (apparently) is how the bootstrap loader >gets its serial info, even in the 149.
right, we have even examples for that in the CVS, in the examples repository. so it's relatively simple to make a simple speed test >The 13x/14x (and the >later family as well) also have a "modulation" register which allows for >fine tuning of the baud rate register, so you can get reasonably close to >nearly any baud rate required, virtually independently of the crystal used. >(But, it is easier to run at a multiple of the baud rate!) well, it's easy if you use the CGI script on our homepage. btw. it was wrote by Pedro ;-) http://mspgcc.sourceforge.net/baudrate.html and as for Bills note, it's very simple to run one uart slightly faster than the other with the modulation control. on the other hand if you want sending slightly faster than receiving, then that is not possible withthe builtin uarts. however it would be possible with the timer_a uarts. chris
