Samsung S3C2440A User Manual
Page 501
S3C2440A RISC MICROPROCESSOR
CAMERA INTERFACE
23-23
PREVIEW PRE-SCALER CONTROL REGISTER 2
Register Address
R/W
Description
Reset
Value
CIPRSCPREDST
0x4F000088
RW
Preview pre-scaler destination format
0
CIPRSCPREDST Bit
Description
Initial
State
PreDstWidth_Pr
[27:16] Destination width for preview pre-scaler
0
PreDstHeight_Pr
[11:0]
Destination height for preview pre-scaler
0
PREVIEW MAIN-SCALER CONTROL REGISTER
Register Address
R/W
Description
Reset
Value
CIPRSCCTRL
0x4F00008C
RW
Preview main-scaler control
0
CICOSCCTRL Bit
Description
Initial
State
Sample_Pr [31]
Sampling method for format conversion.
(This bit is recommended to fix 1)
0
RGBformat_Pr
[30]
0 = 16-bit RGB 1 = 24-bit RGB
0
ScaleUpDown_Pr [29:28]
Scale up/down flag for preview scaler
(In 1:1 scale ratio, this bit should be “1”)
00 = down
11 = up
00
MainHorRatio_Pr
[24:16] Horizontal scale ratio for preview main-scaler
0
PrScalerStart
[15]
Preview scaler start
0
MainVerRatio_Pr
[8:0]
Vertical scale ratio for preview main-scaler
0
PREVIEW DMA TARGET AREA REGISTER
Register Address
R/W
Description
Reset
Value
CIPRTAREA
0x4F000090
RW
Preview scaler target area
0
CIPRTAREA Bit
Description
Initial
State
CIPRTAREA
[25:0]
Target area for preview DMA = Target H size x Target V size
0