參數(shù)資料
型號: TVP5147M1PFPG4
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): 60/100頁
文件大?。?/td> 1369K
代理商: TVP5147M1PFPG4
Functional Description
54
SLES140A—March 2007
TVP5147M1PFP
2.11.49 F-bit and V-bit Control 1 Register
Subaddress
69h
Default
00h
7
6
5
4
3
2
1
0
Reserved
VPLL
Adaptive
Reserved
F-bit mode [1:0]
VPLL: VPLL time constant control
0 = VPLL adapts the time constant to the input signal (default)
1 = VPLL time constants are fixed
Adaptive:
0 = Enable F-bit and V-bit adaptation to detected lines per frame (default)
1 = Disable F-bit and V-bit adaptation to detected lines per frame
F-bit mode [1:0]:
00 = Auto mode. If lines per frame is standard decoded F and V bits as per 656 standard from line count
else decode F bit from VSYNC input and set V-bit = 0 (default).
01 = Decode F and V bits from input syncs
10 = Reserved
11 = Always decode F and V bits from line count
This register is used in conjunction with the F-bit and V-bit control 2 register (subaddress 75h) as indicated
below:
Reg 69h
Reg 75h
Mode
Standard LPF
Nonstandard LPF
Bit 1
Bit 0
Bit 1
Bit 0
Mode
F
V
F
V
0
Reserved
0
1
TVP5160
656
Toggle
Switch9
0
1
0
TVP5160
656
Pulse
0
1
Reserved
0
1
0
Reserved
0
1
0
1
656
Toggle
Switch9
0
1
0
656
Pulse
0
1
Reserved
1
0
Reserved
1
0
1
Reserved
1
0
1
0
Reserved
1
0
1
Reserved
1
0
TVP5146
656
Even = 1
Odd = toggle
Switch
1
0
1
TVP5146
656
Toggle
Switch
1
0
TVP5146
656
Pulse
Switch
1
Reserved
656 = ITU-R BT.656 standard
Toggle = Toggles from field to field
Pulse = Pulses low for 1 line prior to field transition
Switch = V bit switches high before the F bit transition and low after the F bit transition
Switch9 = V bit switches high 1 line prior to F bit transition, then low after 9 lines
Reserved = Not used
相關(guān)PDF資料
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TVP5147M1PFPRG4 COLOR SIGNAL DECODER, PQFP80
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