參數(shù)資料
型號(hào): SDA9589X
廠商: Electronic Theatre Controls, Inc.
英文描述: PIP IV Advanced SOPHISTICUS High-End Picture-In-Picture ICs
中文描述: 畫(huà)中畫(huà)四先進(jìn)SOPHISTICUS高端畫(huà)中畫(huà),圖像芯片
文件頁(yè)數(shù): 38/102頁(yè)
文件大?。?/td> 2306K
代理商: SDA9589X
SDA 9489X
SDA 9589X
System Description
Micronas
4-38
Preliminary Data Sheet
enhanced resolution of 0.5 LSB. The maximum possible offset amounts to 7.5 LSBs. In
YUV mode (
OUTFOR
= ’1’) the action depends on the setting of
BLKINVR
and
BLKINVB
. If
BLKINVR
(
BLKINVB
) is active the offset applies to the blank level of the
RV
(
BU
) channel during the clamping interval for shifting the setup level to the negative
direction. In RGB mode (
OUTFOR
= ’0’)
BLKINVR
and
BLKINVB
have no effect.
4.10.2
The peak level adjustment modifies the magnitude of each channel separately. It should
be used to adapt once the signal levels to the following stage. The contrast adjustment
influences all three channels and allows a further increase of 30% of the peak level
magnitude. The effect of the brightness adjustment depends on the selected output
mode (RGB/YUV). In YUV mode it changes the offset of the OUT2 (Y) signal only while
in RGB mode it changes the offset of all three channels at the same time. The brightness
increase is up to 20%.
Contrast, Brightness and Peak Level Adjustment
Figure 4-21
Pedestal level adjustment
64
OUTFOR = ’1’ (YUV Mode)
BLKLR = 0
BLKLB = 0
BLKLR = 15
BLKLB = 15
OUTFOR = ’0’ (RGB Mode)
0
BLKLR = 15
BLKLB = 15
BLKLG = 15
BLKLR = 0
BLKLB = 0
BLKLG = 0
BLKINVR = BLKINVB = ’0’
64
BLKLR = 0
BLKLB = 0
BLKLR = 15
BLKLB = 15
BLKINVR = BLKINVB = ’1’
OUT1, 3
OUT1, 3
OUT1 - 3
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