TVP5151
- Accepts NTSC (J, M, 4.43), PAL (B, D, G, H, I, M, N, Nc),
and SECAM (B, D, G, K, K1, L) Video - Supports ITU-R BT.601 Standard Sampling
- High-Speed 9-Bit Analog-to-Digital Converter (ADC)
- Two Composite Inputs or One S-Video Input
- Fully Differential CMOS Analog Preprocessing Channels
With Clamping and Automatic Gain Control (AGC) for
Best Signal-to-Noise (S/N) Performance - Ultralow Power Consumption
- 48-Terminal PBGA Package (ZQC) or 32-Terminal TQFP Package (PBS)
- Power-Down Mode: <1 mW
- Brightness, Saturation, Hue, and Sharpness Control Through I2C
- Complementary 4-Line (3-H Delay) Adaptive Comb Filters for
Both Cross-Luminance and Cross-Chrominance Noise Reduction - Patented Architecture for Locking to Weak, Noisy, or Unstable Signals
- Single 27.000-MHz Crystal for All Standards
- Internal Phase-Locked Loop (PLL) for Line-Locked Clock and Sampling
- Subcarrier Genlock Output for Synchronizing Color Subcarrier of External Encoder
- Variable Digital I/O Supply Voltage Range from 1.8 V to 3.3 V
- Standard Programmable Video Output Formats
- ITU-R BT.656, 8-Bit 4:2:2 With Embedded Syncs
- 8-Bit 4:2:2 With Discrete Syncs
- Macrovision™ Copy Protection Detection
- Advanced Programmable Video Output Formats
- 2× Oversampled Raw Vertical Blanking Interval (VBI)
Data During Active Video - Sliced VBI Data During Horizontal Blanking or Active Video
- 2× Oversampled Raw Vertical Blanking Interval (VBI)
- VBI Modes Supported
- Teletext (NABTS, WST)
- Closed-Caption Decode With FIFO and Extended Data Services (XDS)
- Wide Screen Signaling, Video Program System, CGMS-A, Vertical Interval Time Code
- Gemstar 1x/2x Electronic Program Guide Compatible Mode
- Custom Configuration Mode That Allows User to Program Slice Engine
for Unique VBI Data Signals
- Power-On Reset
- Industrial Temperature Range (TVP5151I): –40°C to 85°C
The TVP5151 device is an ultralow-power NTSC/PAL/SECAM video decoder. Available in a space-saving 48-terminal PBGA package or a 32-terminal TQFP package, the TVP5151 decoder converts NTSC, PAL, and SECAM video signals to 8-bit ITU-R BT.656 format. Discrete syncs are also available. The optimized architecture of the TVP5151 decoder allows for ultralow power consumption. The decoder consumes 138-mW power under typical operating conditions and consumes less than 1 mW in power-down mode, considerably increasing battery life in portable applications. The decoder uses just one crystal for all supported standards. The TVP5151 decoder can be programmed using an I2C serial interface.
The TVP5151 decoder converts baseband analog video into digital YCbCr 4:2:2 component video. Composite and S-video inputs are supported. The TVP5151 decoder includes one 9-bit analog-to-digital converter (ADC) with 2× sampling. Sampling is ITU-R BT.601 (27.0 MHz, generated from the 27.000-MHz crystal or oscillator input) and is line locked. The output formats can be 8-bit 4:2:2 or 8-bit ITU-R BT.656 with embedded synchronization.
The TVP5151 decoder utilizes Texas Instruments patented technology for locking to weak, noisy, or unstable signals. A Genlock/real-time control (RTC) output is generated for synchronizing downstream video encoders.
Complementary four-line adaptive comb filtering is available for both the luminance and chrominance data paths to reduce both cross-luminance and cross-chrominance artifacts; a chrominance trap filter is also available.
Video characteristics including hue, brightness, saturation, and sharpness may be programmed using the industry standard I2C serial interface. The TVP5151 decoder generates synchronization, blanking, lock, and clock signals in addition to digital video outputs. The TVP5151 decoder includes methods for advanced vertical blanking interval (VBI) data retrieval. The VBI data processor slices, parses, and performs error checking on teletext, closed caption, and other data in several formats.
The TVP5151 decoder detects copy-protected input signals according to the Macrovision™ standard and detects Type 1, 2, 3, and colorstripe processes.
The main blocks of the TVP5151 decoder include:
- Robust sync detector
- ADC with analog processor
- Y/C separation using four-line adaptive comb filter
- Chrominance processor
- Luminance processor
- Video clock/timing processor and power-down control
- Output formatter
- I2C interface
- VBI data processor
- Macrovision detection for composite and S-video
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TVP5151 Ultralow-Power NTSC/PAL/SECAM Video Decoder datasheet (Rev. E) | 2011年 8月 21日 | |
| Application note | TVP5151 Anti-Aliasing Filters (Rev. A) | 2010年 9月 17日 | ||
| Application note | TVP5151 VBI Quick Start | 2010年 7月 7日 | ||
| Application note | TVP5151 Indirect Registers | 2010年 6月 25日 | ||
| Application note | TVP5151 Patch Code Download Guidelines | 2010年 6月 23日 | ||
| Application note | TVP5151 PCB Layout Guidelines | 2009年 9月 17日 | ||
| Application note | The TMS320DM642 Video Port Mini-Driver for TVP5146 and TVP5150 decoder | 2004年 7月 16日 | ||
| User guide | TVP5150A: Quick Start Guide | 2003年 11月 11日 | ||
| Application note | TVP5150A FAQ | 2003年 10月 17日 | ||
| Application note | TVP51xx Product Family - FAQ | 2003年 10月 17日 | ||
| Application note | TVP5146 and TVP5150A VBI Raw Data Mode | 2003年 10月 15日 | ||
| Application note | TVP5150A VBI Quick Start | 2003年 10月 15日 |
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