Sony CXD5602 User Manual page 238

0x04123110 DMACConfiguration_n
(n=0-3,step=0x20)
For various settings of the
DMA channels.
register does not change
by update of the LLI
item.
TRANSFE RW
RSIZE
TRIGGER RW
PERPHER
AL
This
TEN RW
Reserved RO
－238/1010－
[18:0] 0 When
(TransferSize expanded mapping)
When the DMA controller is the flow
controller, the amount of data transfer to
be performed is written to this register.
Values can be written from 0 to 524287.
The actual number of bytes of transferred
data is equal to the product of multiplying
this by the data width set in the
aforementioned SWidth bit.
When read out, the completed amount of
transfer is indicated.
When the DMA controller is not the flow
controller, this value becomes invalid.
[31:28] 0 When
(when waiting for external trigger)
This is the selection bit for external
trigger Peripheral. When the external
trigger function is disabled, this bit is
invalid.
When DMACConfiguration.TR=0 (when
operating without external trigger)
Becomes Reserved. When writing, set to
"0", when reading, mask it.
[27] 0 When
(when waiting for external trigger)
This is the external trigger function enable
bit.
0: External trigger function is disabled
1: External trigger function is enabled
When
(when operating without external trigger
function)
Becomes Reserved. When writing, set to
"0", when reading, mask it.
[26] 0 Reserved
CXD5602 User Manual
DMACConfiguration.TS=1
DMACConfiguration.TR=1
DMACConfiguration.TR=1
DMACConfiguration.TR=0