fj604 34 Posted May 31, 2011 Share Posted May 31, 2011 The SCK line for on MSP430G2231 is the same as P1.6, which is connected to LED2 on the Launchpad. SCK is supposed to be pulled up for I2C to work, therefore you will have to disconnect the jumper J5 - 1. If you do not, LED2 will glow a faint green as it is would be connected to VCC through a pullup, and I2C will not work at all. This took me a while to figure - I thought I'd share. jsolarski, gatesphere, wilywyrm and 2 others 5 Quote Link to post Share on other sites
jsolarski 94 Posted May 31, 2011 Share Posted May 31, 2011 Thanks for the Tip!! Quote Link to post Share on other sites
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