參數(shù)資料
型號: SAA7114H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉換
英文描述: PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI data slicer and high performance scaler
中文描述: COLOR SIGNAL DECODER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100
文件頁數(shù): 101/147頁
文件大小: 759K
代理商: SAA7114H
2004 Mar 03
101
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
15.2.10 S
UBADDRESS
09H
Table 48
Luminance control; 09H[7:0]
15.2.11 S
UBADDRESS
0AH
Table 49
Luminance brightness control: decoder part; 0AH[7:0]
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
D7
chrominance trap/comb filter
bypass
BYPS
0
chrominance trap or luminance comb filter active;
default for CVBS mode
chrominance trap or luminance comb filter bypassed;
default for S-video mode
disabled (= chrominance trap enabled, if BYPS = 0)
active, if BYPS = 0
processing delay is equal to internal pipelining delay
one (NTSC standards) or two (PAL standards) video
lines additional processing delay
small remodulation bandwidth
(narrow chroma notch
higher luminance bandwidth)
large remodulation bandwidth
(wider chroma notch
smaller luminance bandwidth)
resolution enhancement filter 8.0 dB at 4.1 MHz
resolution enhancement filter 6.8 dB at 4.1 MHz
resolution enhancement filter 5.1 dB at 4.1 MHz
resolution enhancement filter 4.1 dB at 4.1 MHz
resolution enhancement filter 3.0 dB at 4.1 MHz
resolution enhancement filter 2.3 dB at 4.1 MHz
resolution enhancement filter 1.6 dB at 4.1 MHz
plain
low-pass filter 2 dB at 4.1 MHz
low-pass filter 3 dB at 4.1 MHz
low-pass filter 3 dB at 3.3 MHz; 4 dB at 4.1 MHz
low-pass filter 3 dB at 2.6 MHz; 8 dB at 4.1 MHz
low-pass filter 3 dB at 2.4 MHz; 14 dB at 4.1 MHz
low-pass filter 3 dB at 2.2 MHz; notch at 3.4 MHz
low-pass filter 3 dB at 1.9 MHz; notch at 3.0 MHz
low-pass filter 3 dB at 1.7 MHz; notch at 2.5 MHz
1
D6
adaptive luminance comb filter
YCOMB
0
1
0
1
D5
processing delay in non comb
filter mode
LDEL
D4
remodulation bandwidth for
luminance; see Figs 13 to 16
LUBW
0
1
D[3:0] sharpness control, luminance
filter characteristic; see Fig.17
LUFI[3:0]
0001
0010
0011
0100
0101
0110
0111
0000
1000
1001
1010
1011
1100
1101
1110
1111
OFFSET
CONTROL BITS D7 TO D0
DBRI7
DBRI6
DBRI5
DBRI4
DBRI3
DBRI2
DBRI1
DBRI0
255 (bright)
128 (ITU level)
0 (dark)
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
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