ahgan84 0 Posted October 4, 2011 Share Posted October 4, 2011 Hi guys, I've saw some sample code put in the data they want to tramsmit out using I2C mode on USISRL register while some coding use UCBxTXBUF register. I would like to know what is the difference of the register USISRL and UCBxTXBUF? Quote Link to post Share on other sites
gwdeveloper 275 Posted October 4, 2011 Share Posted October 4, 2011 Hello ahgan84. You'll want to refer to the MSP430x2xx Family User's Guide, slaa144h.pdf. [tipdf]slau144h[/tipdf] 14.1 covers devices with the Universal Serial Interface (USI) and 17.1 covers devices with the Universal Serial Communications Interface (USCI) I2C modes. Basically, if your device has USI, you won't use UCBxTXBUF at all. And if you have USCI, you won't use USISRL. ahgan84 1 Quote Link to post Share on other sites
ahgan84 0 Posted October 6, 2011 Author Share Posted October 6, 2011 Thanks sir! Quote Link to post Share on other sites
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