參數(shù)資料
型號: TVP5146PFPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: PLASTIC, HTQFP-80
文件頁數(shù): 26/106頁
文件大?。?/td> 1500K
代理商: TVP5146PFPRG4
18
SLES084C August 2007
TVP5146
The instantaneous frequency of the color subcarrier can be calculated from the following
equation:
F
PLL
+
F
ctrl
223
F
sclk
where FPLL is the frequency of the subcarrier PLL, Fctrl is the 23-bit PLL frequency control word,
and Fsclk is two times the pixel frequency. Figure 219 shows the detailed timing diagram.
RTC
45 CLK
18 CLK
L
S
B
0
3 CLK
128 CLK
23-Bit Fsc PLL Increment
Start
Bit
1 CLK
R
S
Invalid
Sample
Valid
Sample
M
S
B
22
Reserved
NOTE:
RTC Reset bit (R) is active low, Sequence bit (S) PAL:1 = (R-Y) line normal, 0 = (R-Y) line inverted, NTSC: 1 = no change
Figure 219. RTC Timing
2.5
Output Formatter
The output formatter sets how the data is formatted for output on the TVP5146 output buses.
Table 21 shows the available output modes.
Table 21. Output Format
TERMINAL
NAME
TERMINAL
NUMBER
10-Bit 4:2:2 YCbCr
20-Bit 4:2:2
YCbCr
Y_9
43
Cb9, Y9, Cr9
Y9
Y_8
44
Cb8, Y8, Cr8
Y8
Y_7
45
Cb7, Y7, Cr7
Y7
Y_6
46
Cb6, Y6, Cr6
Y6
Y_5
47
Cb5, Y5, Cr5
Y5
Y_4
50
Cb4, Y4, Cr4
Y4
Y_3
51
Cb3, Y3, Cr3
Y3
Y_2
52
Cb2, Y2, Cr2
Y2
Y_1
53
Cb1, Y1, Cr1
Y1
Y_0
54
Cb0, Y0, Cr0
Y0
C_9
57
Cb9, Cr9
C_8
58
Cb8, Cr8
C_7
59
Cb7, Cr7
C_6
60
Cb6, Cr6
C_5
63
Cb5, Cr5
C_4
64
Cb4, Cr4
C_3
65
Cb3, Cr3
C_2
66
Cb2, Cr2
C_1
69
Cb1, Cr1
C_0
70
Cb0, Cr0
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