Texas Instruments OMAP5912 Reference Manual page 797

Table 123. Channel Source Element Index Registers (DMA_CSEI0...DMA_CSEI5)
Bit Name
31:16 Reserved
15:0 Source element index
Table 124. Channel Source Address Counter Registers (DMA_CSAC0...DMA_CSAC5)
Bit Name
31:16 Reserved
15:0 Source element/frame
address 16 LSB
SPRU755B
Function
Element index
Contains the channel source element index,
expressed in bytes, which is used to compute the
addresses when single-indexed addressing mode
is used.
Each DMA channel has a destination frame index
register (DMA_CDFI) and a source element index
register (DMA_CDEI). Load DMA_CDFI with the
frame index for the double-index addressing mode.
Load DMA_CDEI with the element index for single
or double-index addressing mode. Select single- or
double-index addressing mode separately for the
source and destination ports by using the
SRC_AMODE bits and the DST_AMODE bits,
respectively, in the DMA_CCR.
Function
This register can be used to monitor the progress
of a DMA transfer on channel source port. It is a
snapshot of the current source address generated
by the channel source address counter. The
counter is incremented on each element transfer
from the channel source port (s8, s16, or s32).
Direct Memory Access (DMA) Support
DSP DMA
Type Reset
RW Undefined
Type Reset
R Undefined
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