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Preliminary
2D
S3C2451X
RISC MICROPROCESSOR
19-18
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.
COMMAND REGISTERS
LINE DRAWING REGISTER (CMD0_REG)
Register Address
R/W
Description
Reset
Value
CMD0_REG 0x4D408100
W
Line
Drawing
Register
0x0
Field
Bit
Description
Initial State
Reserved [31:10]
-
D
[9]
0 : Draw Last Point
1 : Do-not-Draw Last Point.
-
M
[8]
0 : Major axis is Y.
1 : Major axis is X.
-
Reserved [7:2]
-
L
[1]
0 : Nothing.
1 : Line Drawing.
-
P
[0]
0 : Nothing.
1 : Point Drawing.
-
BitBLT REGISTER (CMD1_REG)
Register Address
R/W
Description
Reset
Value
CMD1_REG 0x4D408104
W
BitBLT
Register
0x0
Field
Bit
Description
Initial State
Reserved [31:2]
-
S
[1]
0 : Nothing
1 : Stretch BitBLT
-
N
[0]
0 : Nothing
1 : Normal BitBLT
-
HOST SCREEN START BitBLT REGISTER (CMD2_REG)
Register Address
R/W
Description
Reset
Value
CMD2_REG
0x4D408108
W
Host to Screen Start BitBLT Register
0x0
Field
Bit
Description
Initial State
Data
[31:0]
BitBLT data (Start)
Note that the data written to this register represents only one pixel,
regardless of the source color mode. If the source color mode is 16-
-