參數(shù)資料
型號: TMC2193
廠商: Fairchild Semiconductor Corporation
英文描述: 10 Bit Encoder
中文描述: 10位編碼器
文件頁數(shù): 46/72頁
文件大?。?/td> 448K
代理商: TMC2193
TMC2193
PRODUCT SPECIFICATION
46
REV. 1.0 3/26/03
Control Register De
fi
nitions
(continued)
DAC Control Register (0x11)
7
6
5
4
3
2
1
0
DRSSEL
OFMT
COMP2DB
SINEN
REFSEL
LUMDIS
CHRMDIS
BURSTDIS
Reg
11
Bit
7
Name
DRSSEL
Description
DRS Selection.
When DRSSEL is HIGH, PD[7:0] is routed to the DRS detection block.
When DRSSEL is LOW, CVBS[9:2] is routed to the DRS detection block.
Component Data Formatting.
When OFMT is LOW, the MSB
s of blue and red component data paths are
inverted to center the data around a D\A code of 512.
Composite 2 Overflow Control.
When COMP2DB is HIGH, the digital range of the composite sumer is 0 to
2047 with half the digital resolution. When COMP2DB is LOW, the digital
output of the composite summer is 0 to 1023, all values exceeding 1023 or
below 0 are clipped.
X/Sine(X) Filter Enable.
When SINEN is LOW, the X/Sin(X) filter is bypassed.
When SINEN is HIGH, the X/Sin(X) filter is used to compensate for the
DAC roll-off at high frequencies.
Reference DAC Output Selection.
When REFSEL is LOW, a composite sync is the output of the REFDAC.
When REFSEL is HIGH, a reference level equal to the DAC1
s midpoint is
the output of the REFDAC.
Luma Disable.
When LUMDIS is LOW, the luminance data on the composite data path is
enabled. When LUMDIS is HIGH, the luminance data on the composite
data path is disabled.
Chroma Disable.
When CHRMDIS is LOW, the chrominance data on the composite data
path is enabled. When CHRMDIS is HIGH, the chrominance data on the
composite data path is disabled.
Burst Disable.
When BURSTDIS is LOW, the burst is enabled.
When BURSTDIS is HIGH, the burst is disabled.
11
6
OFMT
11
5
COMP2DB.
11
4
SINEN
11
3
REFSEL
11
2
LUMDIS
11
1
CHRMDIS
11
0
BURSTDIS
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