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I am having some problems initializing the LCD . µC I am using is LM3s6965. It has to be initialized in 4 bit mode, since 4 pins are only accesible. these are the ports PA6/I2CSCL - LCD_RW PA7/I2CSDA - LCD_RS PB2/I2C0SCL - LCD_D4_KEYB_F PB3/I2CSDA - LCD_D5_KEYB_E PB4/C0 - LCD_D6_KEYB_D PB5/C1 - LCD_D7 PB6/C0+ - LCD_E This problem is a big pain in the ass.. I would be very gratefull if anyone could find the error on why it is not working. I am of certain it just a minor thing, but i have my doubts.. LCD init code (1).zip