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参数资料
| 型号： | TVP5154AIPNPR |
| 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： | PLASTIC, HTQFP-128 |
| 文件页数： | 75/92页 |
| 文件大小： | 1089K |
| 代理商： | TVP5154AIPNPR |
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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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| TVP5154APNP | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154APNPR | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154EVM | 功能描述:视频 IC 开发工具 TVP5154 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Boards 类型:YPbPr to RGBHV Converters 工具用于评估:LMH1251 工作电源电压:5 V |
| TVP5154PNP | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154PNP | 制造商:Texas Instruments 功能描述:4-Channel Video Decoder |
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