void se_initialize_port()
{
    // --- UART 0 ---
    // --------------

    flag_TI = 1;
    U0BRG = 103; 	// 103 = 9600, 25 = baudrate 38400, 8 = baudrate 115200
    U0MR  = 0x5; 	// no parity, 8 data-bits, 1 stop-bit, internal clock
    U0C0  = 0x10; 	// no cts/rts, prescaler = F1
    U0C1  = 0x5; 	// enable receiver and transmitter
    U0IRS = 1;  	// TX complete
    S0TIC |= 0x6; 	// Set UART0 transmit interrupt priority
    S0RIC |= 0x6; 	// Set UART0 receive interrupt priority

    PD6_3 = 1;  	// Port 6-3 auf Ausgang
    PD6_2 = 0;  	// Port 6-2 auf Eingang
}