Синхронный последовательный интерфейс: список регистров

  VTB

The Value of the Transmit Bits
This register is used to store the value of the transmitted serial data frame.
In the process of transmission, the LSB is transmitted first.

Note
This register is only valid when Work Mode Select==0x10/0x11.

Команда U-Boot для чтения регистра

Bit fields structure

typedef union  spi_tbr
{
  struct
  {
   unsigned vtb : 32;
  } b;
   unsigned long w;
} SPI_TBR