Не запускается uart blackfin Опции

[dipdip]

Не выходит запустить uart blackfin.

Использую такой инит

void uart_init (unsigned int divisor)
{

/*
// UART0 Controller (0xFFC00400 - 0xFFC004FF)
#define pUART0_THR ((volatile uint16_t *)UART0_THR)
#define pUART0_RBR ((volatile uint16_t *)UART0_RBR)
#define pUART0_DLL ((volatile uint16_t *)UART0_DLL)
#define pUART0_IER ((volatile uint16_t *)UART0_IER)
#define pUART0_DLH ((volatile uint16_t *)UART0_DLH)
#define pUART0_IIR ((volatile uint16_t *)UART0_IIR)
#define pUART0_LCR ((volatile uint16_t *)UART0_LCR)
#define pUART0_MCR ((volatile uint16_t *)UART0_MCR)
#define pUART0_LSR ((volatile uint16_t *)UART0_LSR)
#define pUART0_SCR ((volatile uint16_t *)UART0_SCR)
#define pUART0_GCTL ((volatile uint16_t *)UART0_GCTL)

*/

// enable UART clock.
*pUART0_GCTL = UCEN;//enable uart clock
// Read period value and apply formula: divisor = period/16*8
// Write result to the two 8-bit DL registers (DLH:DLL).
*pUART0_LCR = DLAB;//#define DLAB 0x80 Divisor Latch Access-ðàçðåøåíèå äîñòóïà â ðåãèñòð DLL,DLH
*pUART0_DLL = divisor;
*pUART0_DLH = divisor>>8;
// Clear DLAB again and set UART frame to 8 bits, no parity, 1 stop bit.
*pUART0_LCR = WLS(8);//#define WLS(x) (((x)-5) & 0x03) /* Word Length Select
//*pUART0_MCR = *pUART0_MCR | (1<<4);//âêëþ÷èòü ïèíû rx tx (bit4=1)

*pPORTFIO_DIR =*pPORTFIO_DIR | (1<<11);// F11 - out - bit11=1),
*pPORTF_FER = *pPORTF_FER & ~(1<<11);//tx bit11=0 - uart tx, =1 - F11. pin13
//*pPORTF_FER = *pPORTF_FER |(1<<11);
*pPORTF_FER = *pPORTF_FER & ~(1<<12);//rx bit12=0 - uart rx, =1 - F12. pin15
//*pPORTFIO_INEN=*pPORTFIO_INEN | (1<<11) | (1<<12);//enable pin f11,f12
*pPORTF_MUX = *pPORTF_MUX & ~(1<<11) & ~(1<<12);

Что подправить в настройке порта F.11?

Пробовал разные комбинации - не помогает.