参数资料
型号: TVP5157PNPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP128
封装: GREEN, PLASTIC, HTQFP-128
文件页数: 57/108页
文件大小: 1395K
代理商: TVP5157PNPR
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-18. Chrominance Hue
Subaddress
14h
Default
80h
7
6
5
4
3
2
1
0
Hue [7:0]
Saturation [7:0]
This register works for the chrominance.
0000 0000
-180
°
1000 0000
0
° (default)
1111 1111
+180
°
Table 4-19. Color Killer
Subaddress
16h
Default
10h
7
6
5
4
3
2
1
0
Reserved
Automatic color killer
Color killer threshold [4:0]
Automatic color killer
00
Automatic mode (default)
01
Reserved
Color killer enabled, The UV terminals are forced to a zero
10
color state.
11
Color killer disabled
Color killer threshold [4:0]:
Controls the upper and lower color killer hysteresis thresholds.
NTSC-M,J(1)(2)
PAL-B,D,G,H,I,M,N(1)(2)
Lower Threshold
Upper Threshold
Lower Threshold
Upper Threshold
0 0000
1.0%
1.4%
0.8%
1.2%
0 1000
3.0%
4.3%
2.4%
3.5%
1 0000
5.0%
7.2%
4.0%
5.8%
1 1000
7.0%
10.0%
5.6%
8.0%
1 1111
8.8%
12.6%
7.0%
10.0%
(1)
Expressed as a percent of the nominal color burst amplitude (measured after front-end AGC).
(2)
For proper color killer operation, the color PLL must be locked to the color burst frequency.
52
Internal Control Registers
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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