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参数资料
| 型号： | TVP5150PBSG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP32 |
| 封装： | GREEN, PLASTIC, TQFP-32 |
| 文件页数： | 14/27页 |
| 文件大小： | 453K |
| 代理商： | TVP5150PBSG4 |
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Detailed Description
17
SLES043 — September 2002
TVP5150
Table 2–4. Format of the SAV and EAV Codes
D7
D6
D5
D4
D3
D2
D1
D0
Preamble
1
Preamble
0
Preamble
0
Status word
1
F
V
H
P3
P2
P1
P0
The P bits are protection bits:
P3 = V xor H; P2 = F xor H; P1 = F xor V; P0 = F xor V xor H
2.7.2 HLK and VLK
HLK and VLK outputs can be selected to replace PALI and FID respectively. These signals are quasi-static.
They only change state when out of horizontal or vertical lock.
2.7.3 Clock Circuits
An internal line-locked PLL generates the system and pixel clocks. Figure 2–17 shows a simplified clock circuit
diagram. The digital control oscillator (DCO) generates the reference signal for the horizontal PLL. A
14.318-MHz clock is required to drive the DCO. This may be input to TVP5150 at TTL level on the XTAL1
terminal, or a crystal of 14.318-MHz fundamental resonant frequency may be connected across terminals
XTAL1 and XTAL2. The next figure shows the reference clock configurations. For the example crystal circuit
shown, (a parallel-resonant crystal with 14.328-MHz fundamental frequency), the external capacitors must
have the following relationship:
CL1 = CL2 = 2CL – C(stray)
Where C(stray) is the terminal capacitance with respect to ground. Note that with the crystal oscillator an
external 4.53-k
resistor is required across XTAL1 and XTAL2 terminals.
Low-Pass Filter
Sync Detector
Digitized
Video
XTAL1
Phase
Detector
Loop
Filter
Digital
Control
Oscillator
XTAL2
Crystal
Clock
Generator
Clock
Generation
Circuit
Line-Locked
Clock
PLL
SCLK
PCLK
TVP5040
35
XTAL1
14.31818-MHz
Crystal
36
XTAL2
TVP5040
35
XTAL1
36
XTAL2
CL1
CL2
14.31818-MHz
TTL Clock
R
Figure 2–17. Reference Clock Configurations
相关PDF资料 |
PDF描述 |
|---|---|
| TVP5150PBS | COLOR SIGNAL DECODER, PQFP32 |
| TVP5150PBSR | COLOR SIGNAL DECODER, PQFP32 |
| TVP5151IPBSQ1 | COLOR SIGNAL DECODER, PQFP32 |
| TVP5151IPBSRQ1 | COLOR SIGNAL DECODER, PQFP32 |
| TVP5151IPBSR | COLOR SIGNAL DECODER, PQFP32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TVP5150PBSR | 功能描述:视频 IC Very Low Power 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 |
| TVP5150PBSRG4 | 制造商:Texas Instruments 功能描述: |
| TVP5151 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Ultralow-Power NTSC/PAL/SECAM Video Decoder |
| TVP5151EVM | 功能描述:视频 IC 开发工具 TVP5151 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 |
| TVP5151IPBS | 功能描述:视频 IC UltraLo-Pwr NTSC/ 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 |
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