參數(shù)資料
型號： TVP5150AEVM
廠商： Texas Instruments
文件頁數(shù)： 56/74頁
文件大?。?/td> 0K
描述： TVP5150AEVM
標準包裝： 1
主要目的： 視頻，視頻解碼器
已用 IC / 零件： TVP5150A
主要屬性： NTSC/PAL 數(shù)字視頻解碼器
次要屬性： 圖形用戶接口，I²C 接口
已供物品： 2 個板，線纜，CD，電源
配用： 296-23058-ND - EVAL MODULE FOR DM642
相關產品： TVP5150PBSR-ND - IC NTSC/PAL/SECAM DECODER 32TQFP
TVP5150APBSRG4-ND - IC VIDEO DECODER 8BIT 32TQFP
TVP5150AM1ZQCR-ND - IC VIDEO DECODER 8BIT 48BGA
TVP5150AM1PBSRG4-ND - IC VIDEO DECODER 8BIT 32TQFP
TVP5150AM1PBSG4-ND - IC VIDEO DECODER 8BIT 32TQFP
296-32781-ND - IC VIDEO DECODER 8BIT 32TQFP
296-32780-ND - IC VIDEO DECODER 8BIT 48BGA
296-27133-ND - IC VIDEO DECODER 8BIT 32TQFP
296-23026-6-ND - IC VIDEO DECODER 48-BGA
296-23025-6-ND - IC VIDEO DECODER 32-TQFP
更多...
11
1 Introduction
The TVP5150A device is an ultralow power NTSC/PAL/SECAM video decoder. Available in a space saving 32-pin
TQFP package, the TVP5150A 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 TVP5150A decoder allows for
ultralow-power consumption. The decoder consumes 115 mW of power in typical operation 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 TVP5150A decoder can be programmed using an I2C serial interface. The
decoder uses a 1.8-V supply for its analog and digital supplies, and a 3.3-V supply for its I/O.
The TVP5150A decoder converts baseband analog video into digital YCbCr 4:2:2 component video. Composite and
S-video inputs are supported. The TVP5150A decoder includes one 9-bit analog-to-digital converter (ADC) with 2x
sampling. Sampling is ITU-R BT.601 (27.0 MHz, generated from the 14.31818-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 TVP5150A 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 4-line adaptive comb filtering is available for both the luma and chroma data paths to reduce both
cross-luma and cross-chroma artifacts; a chroma trap filter is also available.
Video characteristics including hue, contrast, brightness, saturation, and sharpness may be programmed using the
industry standard I2C serial interface. The TVP5150A decoder generates synchronization, blanking, lock, and clock
signals in addition to digital video outputs. The TVP5150A 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 TVP5150A decoder detects copy-protected input signals according to the Macrovision
standard and detects
Type 1, 2, 3, and colorstripe pulses.
The main blocks of the TVP5150A decoder include:
Robust sync detector
ADC with analog processor
Y/C separation using 4-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
1.1
Features
Accepts NTSC (M, 4.43), PAL (B, D, G, H, I, M, N), and SECAM (B, D, G, K, K1, L) video data
Supports ITU-R BT.601 standard sampling
High-speed 9-bit ADC
Two composite inputs or one S-video input
Macrovision is a trademark of Macrovision Corporation.
Other trademarks are the property of their respective owners.
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