Command Registers - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR

5.2 COMMAND REGISTERS

5.2.1 LINE Drawing Register (CMD0_REG)
Register
CMD0_REG
Field Bit
Reserved [31:10]
D [9]
M [8]
Reserved [7:2]
L [1]
P [0]
5.2.2 BitBLT Register (CMD1_REG)
Register
CMD1_REG
Field Bit
Reserved [31:2]
S [1]
N [0]
5.2.3 HOST Screen Start BitBLT Register (CMD2_REG)
Register
CMD2_REG
Field Bit
Data [31:0]
Address R/W
0x4D408100 W
−
0 = Draw Last Point
1 = Do-not-Draw Last Point.
0 = Major axis is Y.
1 = Major axis is X.
−
0 = Nothing.
1 = Line Drawing.
0 = Nothing.
1 = Point Drawing.
Address R/W
0x4D408104 W
−
0 = Nothing
1 = Stretch BitBLT
0 = Nothing
1 = Normal BitBLT
Address R/W
0x4D408108 W
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-bpp (e.g., RGB565), the upper 16 bits of the data are ignored.
Description
Line Drawing Register
Description
Description
BitBLT Register
Description
Description
Host to Screen Start BitBLT Register
Description
2D
Reset Value
0x0
Initial State
−
−
−
−
−
−
Reset Value
0x0
Initial State
−
−
−
Reset Value
0x0
Initial State
−
18-19