User's Manual

Table Of Contents
2D S3C2450X RISC MICROPROCESSOR
19-14
5 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
CW_RB_Y_REG 0x0238 R/W Bottom Y coordinate of Clip Window. 0x0000_0000
Coordinates
COORD0_REG 0x0300 R/W Coordinates 0 register. 0x0000_0000
COORD0_X_REG 0x0304 R/W X coordinate of Coordinates 0. 0x0000_0000
COORD0_Y_REG 0x0308 R/W Y coordinate of Coordinates 0. 0x0000_0000
COORD1_REG 0x0310 R/W Coordinates 1 register. 0x0000_0000
COORD1_X_REG 0x0314 R/W X coordinate of Coordinates 1. 0x0000_0000