Preliminary
2D
S3C2451X
RISC MICROPROCESSOR
19-12
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.
REGISTER DESCRIPTIONS
Register
Offset
R/W
Description
Reset Value
General Registers
CONTROL_REG 0x0000
W
Control
register.
0x0000_0000
INTEN_REG
0x0004
R/W Interrupt Enable register.
0x0000_0000
FIFO_INTC_REG 0x0008
R/W
Interrupt Control register.
0x0000_0018
INTC_PEND_REG 0x000C
R/W
Interrupt
Control Pending register.
0x0000_0000
FIFO_STAT_REG
0x0010
R
Command FIFO Status register.
0x0000_0600
Command Registers
CMD0_REG
0x0100
W
Command register for Line/Point drawing.
-
CMD1_REG
0x0104
W
Command register for BitBLT.
-
CMD2_REG 0x0108
W
Command register for Host to Screen Bitblt
transfer start.
-
CMD3_REG 0x010C
W
Command register for Host to Screen Bitblt
transfer continue.
-
CMD4_REG
0x0110
W
Command register for Color Expansion.
(Host to Screen, Font Start)
-
CMD5_REG
0x0114
W
Command register for Color Expansion.
(Host to Screen, Font Continue)
-
CMD6_REG 0x0118
W
Reserved
-
CMD7_REG
0x011C
W
Command register for Color Expansion.
(Memory to Screen)
-
Parameter Setting Registers
Resolution
SRC_ RES_REG
0x0200
R/W Source Image Resolution
0x0000_0000
SRC_HORI_RES_REG
0x0204
R/W Source Image Horizontal Resolution
0x0000_0000
SRC_VERT_RES_REG
0x0208
R/W Source Image Vertical Resolution
0x0000_0000
SC_RES_REG
0x0210
R/W Screen Resolution
0x0000_0000
SC_HORI_RES _REG
0x0214
R/W Screen Horizontal Resolution
0x0000_0000
SC_VERT_RES _REG
0x0218
R/W Screen Vertical Resolution
0x0000_0000
Clipping Window
CW_LT_REG
0x0220
R/W LeftTop coordinates of Clip Window.
0x0000_0000
CW_LT_X_REG
0x0224
R/W Left X coordinate of Clip Window.
0x0000_0000
CW_LT_Y_REG
0x0228
R/W Top Y coordinate of Clip Window.
0x0000_0000
CW_RB_REG
0x0230
R/W
RightBottom coordinate of Clip Window.
0x0000_0000
CW_RB_X_REG
0x0234
R/W
Right X coordinate of Clip Window.
0x0000_0000