UART XC2267

void UartInit(void)
{
   U2C0_CCR = 0x0000;
   /// -----------------------------------------------------------------------
   /// 1. baud rate generation and the PPP configuration
   /// baud rate = 19200,
   /// -----------------------------------------------------------------------
   U2C0_FDRL=((uint16)2<<14)|(0x312<<0); //DM=2 (fractional divider),STEP=0x312
   U2C0_BRGL=(15<<10)|(1<<8)|(0<<4)|(0<<0);//DCTQ=15,PCTQ=1,PPPEN=0,CLKSEL=0
   U2C0_BRGH=(0<<14)|(0<<13)|(9<<0); //SCLKCFG=0,MCLKCFG=0,PDIV=99

   /// -----------------------------------------------------------------------
   /// 2 . Configuration of the U2C0 Input Control Register
   /// -----------------------------------------------------------------------
   // CM SFSEL DPOL DSEN DFEN INSW DESL
   U2C0_DX0CR=((0<<10)|(0<<9)|(0<<8)|(0<<6)|(0<<5)|(0<<4)|(2<<0)); //P1.5(DX0C)

   /// -----------------------------------------------------------------------
   /// 3. Data format: shift control signal, word/frame length control
   /// -----------------------------------------------------------------------
   //TRM=01b(ASC) DOCFG PDL SDIR=0(LSB first)
   U2C0_SCTRL = (1 << 8) | (0 << 6) | (1 << 1) | (0 << 0);
   U2C0_SCTRH = (7 << 8) | (7 << 0); //WLE=7, FLE=7;

   /// -----------------------------------------------------------------------
   /// 4. data transmission control (TBUF single shot mode)
   /// -----------------------------------------------------------------------
   // TDEN=1 TDSSM=1
   U2C0_TCSRL = (1 << 10) | (1 << 8);
   U2C0_TCSRH = 0x0000;

   /// -----------------------------------------------------------------------
   // 5. protocol-related information
   /// -----------------------------------------------------------------------
   // PL SP FFIEN FFIEN RNIEN CDEN SBIEN IDM STPB SMD
   U2C0_PCRL=(0<<13)|(7<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(0<<3)|(0<<2)|(0<<1)|(0<<0);
   U2C0_PCRH=(0<<15); // MCLK not used

   /// -----------------------------------------------------------------------
   /// 6. Configuration of the interrupts point and interrupt control registers
   /// -----------------------------------------------------------------------
   //AINP=SR0, RINP=SR0, TBINP=SR0, TSINP=SR0
   U2C0_INPRL = (0 << 12) | (0 << 8) | (0 << 4) | (0 << 0);
   U2C0_INPRH = (0 << 0); //PINP=SR0
   U2C0_0IC = (0x80 * 0 + 0x40 * 0 + ((10 << 2)|0)); //IR=0, IE=0, ILVL=10, GPX=0
   U2C0_1IC = (0x80 * 0 + 0x40 * 0 + ((10 << 2)|1)); //IR=0, IE=0, ILVL=10, GPX=1
   U2C0_2IC = (0x80 * 0 + 0x40 * 0 + ((10 << 2)|2)); //IR=0, IE=0, ILVL=10, GPX=2

   /// -----------------------------------------------------------------------
   /// 7. Configuration of the U2C0 Channel Control Register
   // enable/disable general interrupt
   // enable/disable the parity mode
   // select the protocol mode
   /// -----------------------------------------------------------------------
   // AIEN=0, RIEN=0, TBIEN=0, TSIEN=0, DLIEN=0, RSIEN=0
   U2C0_CCR = (0 << 15)|(0 << 14)|(0 << 13)|(0 << 12)|(0 << 11)|(0 << 10);
   U2C0_CCR |= (0 << 8); // PM=0(no parity generation)
   U2C0_CCR |= 0x0002; // active ASC mode

   /// -----------------------------------------------------------------------
   /// 8. input/output pins configuration
   /// -----------------------------------------------------------------------
   P1_IOCR06 = 0x00B0; // P1.6=output(ALT1 Push/pull)
}

U2C0_TBUF00 = 0x51;