#define CCLK            72000000    /* CPU Clock */

void DBGUInit(unsigned long baudrate )
{
  unsigned long Fdiv;

  PCONP |= 1<<25;	// питание на UART3 подать

  PINSEL9 = PINSEL9 | 0x0F000000;      /* RxD3 and TxD3 */

  U3LCR = 0x83;		/* 8 bits, no Parity, 1 Stop bit */
  Fdiv = ( CCLK / 16 ) / baudrate ;	/*baud rate */
  U3DLM = Fdiv / 256;							
  U3DLL = Fdiv % 256;
  U3LCR = 0x03;		/* DLAB = 0 */
  U3FCR = 0x07;		/* Enable and reset TX and RX FIFO. */
}