Samsung S3C2451X User Manual page 455

S3C2451X RISC MICROPROCESSOR
COLORKEY CONTROL REGISTER (COLORKEY_CTRL_REG)
Register
COLORKEY_CTRL 0x4D408720
_REG
Field Bit
Reserved [31:5]
StencilInverse [4]
StencilOnR [3]
StencilOnG [2]
StencilOnB [1]
StencilOnA [0]
COLORKEY DECISION REFERENCE MINIMUM REGISTER (COLORKEY_DR_MIN_REG)
Register
COLORKEY_DR_M 0x4D408724
IN_REG
Field Bit
A_DR(min) [31:24]
R_DR(min) [23:16]
G_DR(min) [15:8]
B_DR(min) [7:0]
COLORKEY DECISION REFERENCE MAXIMUM REGISTER (COLORKEY_DR_MAX_REG)
Register
COLORKEY_DR_M 0x4D408728
AX_REG
Address R/W
R/W Colorkey Control Register
0: Normal stencil test
1 : Inversed stencil test
This bit should be set to 0 if the stencil test of every color field is
disabled.
0: Stencil Test Off for R value
1: Stencil Test On for R value
0: Stencil Test Off for G value
1: Stencil Test On for G value
0: Stencil Test Off for B value
1: Stencil Test On for B value
0: Stencil Test Off for A value
1: Stencil Test On for A value
Address R/W
R/W Colorkey Decision Reference Minimum Register
Alpha DR MIN value
RED DR MIN value
GREEN DR MIN value
BLUE DR MIN value
Address R/W
R/W Colorkey Decision Reference Maximum Register
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.
Stencil Test
Description
Description
Description
Description
Description
2D
Reset Value
0x0
Initial State
0x0
0x0
0x0
0x0
0x0
0x0
Reset Value
0x0
Initial State
0x0
0x0
0x0
0x0
Reset Value
0xFFFF_FFF
F
19-35