Синхронный последовательный интерфейс: список регистров

  VRB

The Value of the Receive Bits
This register is used to store the value of the received 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_rbr
{
  struct
  {
   unsigned vrb : 32;
  } b;
   unsigned long w;
} SPI_RBR