參數(shù)資料
型號(hào)： TVP5156PNP
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP128
封裝： GREEN, PLASTIC, HTQFP-128
文件頁數(shù)： 71/108頁
文件大?。?/td> 1395K
代理商： TVP5156PNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-50. F-Bit and V-Bit Decode Control
Subaddress
88h
Default
03h
7
6
5
4
3
2
1
0
Reserved
VPLL
Adaptive
Reserved
F-Mode [1:0]
VPLL
VPLL time constant control
0
VPLL adapts time constants to input signal
1
VPLL time constants fixed
Adaptive
0
Enable F and V bit adaptation to detected lines per frame
1
Disable F and V bit adaptation to detected lines per frame
F-Mode [1:0]
F-bit control mode
Auto: If lines per frame is standard decode F and V bits as per 656 standard from line count else decode F bit from
00
VSYNC input and set V bit = 0
01
Decode F and V from input syncs
10
Reserved
11
Always decode F and V bits from line count (TVP5146 compatible)
This register is used in conjunction with register 89h as shown:
Reg 88h
Reg 89h
Standard LPF
Non-standard LPF
Mode
Bit 1
Bit 0
Bit 3
Bit 2
F
V
F
V
0
Reserved
0
1
TVP5158
656
Toggle
Switch9
0
1
0
TVP5158
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
Even = 1
1
0
TVP5146
656
Switch
Odd = toggle
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
Copyright
2009–2011, Texas Instruments Incorporated
Internal Control Registers
65
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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