參數(shù)資料
型號(hào)： TVP5154APNP
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(yè)數(shù)： 75/92頁(yè)
文件大小： 1089K
代理商： TVP5154APNP
www.ti.com
SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
7.3.4
Interleave Field Control 2
Address
36Eh
Default
0h
7
6
5
4
3
2
1
0
Field mode(3)
Field mode(2)
Field mode(1)
Field mode(0)
15
14
13
12
11
10
9
8
Field mode(7)
Field mode(6)
Field mode(5)
Field mode(4)
7.3.5
Interleave Field Control 3
Address
36Fh
Default
0h
7
6
5
4
3
2
1
0
Field mode(11)
Field mode(10)
Field mode(9)
Field mode(8)
15
14
13
12
11
10
9
8
Field mode(15)
Field mode(14)
Field mode(13)
Field mode(12)
These registers allow the output data stream to toggle between unscaled and scaled data on a field basis.
By setting Field mode[n] appropriately, it is possible to use the available output bandwidth to interleave
unscaled and scaled frames to achieve reduced frame rates, while still maintaining compatibility with
legacy data receivers. These registers can also be used to reduce the frame rate of either unscaled data
or scaled data by disabling fields within the sequence.
A counter automatically moves from Field mode[0] to Field mode[n] where n can be 0 through 15, then
returns back to Field mode[0]. Depending on the value of Field mode[n], either unscaled data, scaled data,
or no data is sent for the current frame.
00 = Unscaled data
01 = Null frame (no SAV/EAV sequence will be generated)
10 = Scaled data
11 = Reserved
The values programmed for registers 3A8h and 3A9h are different for NTSC (also NTSC4.43 and PAL-M)
and for PAL (also PAL-Nc and SECAM).
7.3.6
Vertical Scaling Field 1 Control
Address
3A8h
Default
0h
7
6
5
4
3
2
1
0
V_Field1[7:0]
15
14
13
12
11
10
9
8
Reserved
V_Field1[8]
Vertical scaling initial value in field 1 [8:0]: Initial value of vertical accumulator for field 1
For NTSC:
V_Field1 = (1.5 × V_Field2) – 128
If V_Field 1 is negative, add V_Field2 to V_Field1 and add V_Field2 to V_Field2 until V_Field1 is positive.
For PAL:
V_Field1 = (Vdesired/Vactive) × 256
Copyright 2007–2010, Texas Instruments Incorporated
Internal Control Registers
77
Product Folder Link(s): TVP5154A
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參數(shù)描述
TVP5154APNPR 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5154EVM 功能描述:視頻 IC 開發(fā)工具 TVP5154 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評(píng)估:LMH1251 工作電源電壓:5 V
TVP5154PNP 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5154PNP 制造商:Texas Instruments 功能描述:4-Channel Video Decoder
TVP5154PNPG4 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER WITH INDEPENDENT SCALERS AND FAST LOCK
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