McSPI Registers
24.4.1.15 McSPI DMA Address Aligned FIFO Receiver Register (MCSPI_DAFRX)
The McSPI DMA address aligned FIFO receiver register (MCSPI_DAFRX) contains the SPI words to
received on the serial link when FIFO used and DMA address is aligned on 256 bit. This register is an
image of one of MCSPI_RX(i) register corresponding to the channel which have its FIFO enabled. The
MCSPI_DAFRX register is shown in
and described in
.
Figure 24-40. McSPI DMA Address Aligned FIFO Receiver Register (MCSPI_DAFRX)
31
16
DAFRDATA
R-0
15
0
DAFRDATA
R-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 24-26. McSPI DMA Address Aligned FIFO Receiver Register (MCSPI_DAFRX) Field
Descriptions
Bit
Field
Value
Description
31-0
DAFRDATA
FIFO Received Data with DMA 256 bit aligned address.
This register is used only when MCSPI_MODULCTRL[FDAA] is set to ‘1’, and only one of the
MCSPI_CH(i)CONF[FFER] of enabled channels is set. Without these conditions, any access to this
register will return a null value.
4055
SPRUH73H – October 2011 – Revised April 2013
Multichannel Serial Port Interface (McSPI)
Copyright © 2011–2013, Texas Instruments Incorporated