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SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
4-Channel Low-Power PAL/NTSC/SECAM Video Decoder
With Independent Scalers and Fast Lock
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Introduction
1.1
Features
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Four Separate Video Decoder Channels With
Internal Phase-Locked Loop (PLL) for
Features for Each Channel:
Line-Locked Clock (Separate for Each Channel)
and Sampling
– Accept NTSC (J, M, 4.43), PAL (B, D, G, H, I,
M, N, Nc), and SECAM (B, D, G, K, K1, L)
Sub-Carrier Genlock Output for Synchronizing
Video
Color Sub-Carrier of External Encoder
– Support ITU-R BT.601 Standard Sampling
Standard Programmable Video Output Format
– High-Speed 9-Bit Analog-to-Digital Converter
– ITU-R BT.656, 8-Bit 4:2:2 With Embedded
(ADC)
Syncs
– Two Composite Inputs or One S-Video Input
– 8-Bit 4:2:2 With Discrete Syncs
(for Each Channel)
Advanced Programmable Video Output
– Fully Differential CMOS Analog
Formats
Preprocessing Channels With Clamping and
– 2× Over-Sampled Raw Vertical Blanking
Automatic Gain Control (AGC) for Best
Interval (VBI) Data During Active Video
Signal to Noise (SNR) Performance
– Sliced VBI Data During Horizontal Blanking
– Brightness, Contrast, Saturation, Hue, and
or Active Video
Sharpness Control Through Inter-Integrated
VBI Modes Supported:
Circuit (I2C)
– Teletext (NABTS, WST)
– Complementary 4-Line (3-H Delay) Adaptive
– Closed-Caption Decode With FIFO, and
Comb Filters for Both Cross-Luminance and
Extended Data Services (EDS)
Cross-Chrominance Noise Reduction
– Wide Screen Signaling (WSS), Video
– Patented Architecture for Locking to Weak,
Program System (VPS), Copy Generation
Noisy, or Unstable Signals
Management System (CGMS), Vertical
Four Independent Polymorphic Scalers
Interval Time Code (VITC)
Single or Concurrent Scaled and Unscaled
– Gemstar 1×/2× Electronic Program Guide
Outputs Via Dual Clocking Data, Interleaved
Compatible Mode
54-MHz Data or Single 27-MHz Clock
– Custom Configuration Mode Allows User to
Scaled/Unscaled Image Toggle Mode Gives
Program the Slice Engine for Unique VBI
Variable Field Rate for Both Scaled and
Data Signals
Unscaled Video
Improved Fast Lock Mode Can Be Used When
Low Power Consumption: 700 mW Typical
Input Video Standard Is Known and Signals on
128-Pin Thin Quad Flat Pack (TQFP) Package
Switching Channels Are Clean
Single 14.31818-MHz Crystal for All Standards
Four Possible I2C Addresses Allowing 16
and All Channels
Decoder Channels on a Single I2C Bus
Available in Commercial (0°C to 70°C) and
Industrial (–40°C to 85°C) Temperature Ranges
1.2
Description
The TVP5154A device is a 4-channel, low-power, NTSC/PAL/SECAM video decoder. Available in a
space-saving 128-pin thin quad flat pack (TQFP) package, each channel of the TVP5154A decoder
converts NTSC, PAL, or SECAM video signals to 8-bit ITU-R BT.656 format. Discrete syncs are also
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 2007–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.