參數(shù)資料
型號(hào): TMC22X5YA
廠商: Fairchild Semiconductor Corporation
英文描述: Multistandard Digital Video Decoder Three-Line Adaptive Comb Decoder Family, 8 & 10 bit
中文描述: 多標(biāo)準(zhǔn)數(shù)字視頻解碼器三線自適應(yīng)梳狀解碼器系列,8
文件頁數(shù): 15/84頁
文件大?。?/td> 417K
代理商: TMC22X5YA
PRODUCT SPECIFICATION
TMC22x5yA
REV. 1.0.0 2/4/03
15
Control Register De
fi
nitions
(continued)
Burst Threshold (04)
7
6
5
4
3
2
1
0
BTH
Reg
04
Bit
7-0
Name
BTH
Description
Burst threshold.
The 8 bit value to be compared against the demodulated
U and V component data. If over 127 lines occur in a field in which the burst
is below this threshold, then the color is set to chroma black for the next field.
Pedestal (05)
7
6
5
4
3
2
1
0
PED
Reg
05
Bit
7-0
Name
PED
Description
Pedestal level.
An 8 bit magnitude subtracted from the luma data to remove
the setup before processing by the output matrix.
Luma Processor Control (06)
7
6
5
4
3
2
1
0
Reserved
ANEN
ANR
ANT
YSEL
NOTCH
Reg
06
06
06
Bit
7-6
5
4
Name
Reserved
ANEN
ANR
Description
Reserved, set to zero.
Adaptive notch enable.
Enables adaptive notch when HIGH.
Adaptive notch rounding.
Sets adaptive notch
rounding point.
06
3-2
ANT
Adaptive notch threshold level.
Sets the adaptive notch threshold.
06
1
YSEL
Adaptive notch select.
Selects adaptive notch
filter response.
06
0
NOTCH
Notch enable.
Adaptive notch filter ANF3 selected when HIGH and ANEN is
HIGH, non-adaptive notch filter selected when HIGH and ANEN is LOW.
Function may be overridden by XSF (Reg 0E, bits 5-4).
ANR
0
1
Function
Round to 10 bits
Round to 8 bits
ANT
00
01
10
11
Function
Magnitude difference less than 32
Magnitude difference less than 24
Magnitude difference less than 16
Magnitude difference less than 8
YSEL
0
1
Function
Adaptive notch
response ANF1
Adaptive notch
response ANF2
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