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I designed a board using a MSP430G2553IPW28R its the 28 pin tssop package. I read on this forum that you can use the launchpad to program the part I have some code written and can program a 20 pin device but when i connect the wires to my board from the launchpad is cant find the device or its not there. Error connecting to the target: Could not find device (or device not supported) I used CCS and just for the hell of it did the MSP-EXP430G2-LaunchPad User Experience Application example which programs just fine but i get the same error when plugged onto my board. Here is how i connected the part to the launchpad. Yes 20 pin IC removed from launchpad. I am at a loss. My board is powered from its own 3.3v supply and the grounds are common. The ground is always connected between the launchpad and the proto board. for testing i just remove/reconnect the 2 spy-by-wire pins and add/remove the 20 pin g2553 for testing the output. The 28 pin parts are new from mouser and i have 2 boards that i built that do the same thing. Any help would be nice