Preliminary
DMA CONTROLLER
S3C2451X RISC MICROPROCESSOR
9-14
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
DMA STATUS REGISTER (DSTAT)
Register Address
R/W
Description
Reset
Value
DSTAT0
0x4B000014
R
DMA0 Count Register
000000h
DSTAT1
0x4B000114
R
DMA1 Count Register
000000h
DSTAT2
0x4B000214
R
DMA2 Count Register
000000h
DSTAT3
0x4B000314
R
DMA3 Count Register
000000h
DSTAT4
0x4B000414
R
DMA4 Count Register
000000h
DSTAT5
0x4B000514
R
DMA5 Count Register
000000h
DSTAT6
0x4B000614
R
DMA6 Count Register
000000h
DSTAT7
0x4B000714
R
DMA7 Count Register
000000h
DSTATn Bit
Description
Initial
State
STAT
[21:20] Status of this DMA controller.
00: It indicates that DMA controller is ready for another DMA
request.
01: It indicates that DMA controller is busy for transfers.
00b
CURR_TC
[19:0]
Current value of transfer count.
Note that transfer count is initially set to the value of DCONn[19:0]
register and decreased by one at the end of every atomic transfer.
00000h