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