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Part: SAA7108AE
Category:
Description: SAA7108AE; SAA7109AE; Hd-codec
Company: Philips Semiconductors
Datasheet: Download SAA7108AE datasheet File size : 2565 kB
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INTEGRATED CIRCUITS
DATA SHEET
SAA7108AE; SAA7109AE HD-CODEC
Product specification 2003 Mar 26
Philips Semiconductors
Product specification
HD-CODEC
CONTENTS 1 1.1 1.2 1.3 1.4 2 3 4 5 6 7 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 8.17 8.18 8.19 8.20 8.21 9 9.1 9.2 9.3 9.4 9.5 9.6 FEATURES Video decoder Video scaler Video encoder Common features APPLICATIONS GENERAL DESCRIPTION ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAMS PINNING FUNCTIONAL DESCRIPTION OF DIGITAL VIDEO ENCODER PART Reset conditions Input formatter RGB LUT Cursor insertion RGB Y-CB-CR matrix Horizontal scaler Vertical scaler and anti-flicker filter FIFO Border generator Oscillator and Discrete Time Oscillator (DTO) Low-pass Clock Generation Circuit (CGC) Encoder RGB processor Triple DAC HD data path Timing generator Pattern generator for HD sync pulses I2C-bus interface Power-down modes Programming the graphics acquisition scaler of the video encoder Input levels and formats FUNCTIONAL DESCRIPTION OF DIGITAL VIDEO DECODER PART Decoder Decoder output formatter Scaler VBI-data decoder and capture (subaddresses 40H to 7FH) Image port output formatter (subaddresses 84H to 87H) Audio clock generation (subaddresses 30H to 3FH) 10 10.1 10.2 10.3 10.4 10.5 10.6 10.7 11 11.1 11.2 12 13 14 15 16 16.1 16.2 17 17.1 17.2 17.3 18 18.1 18.2 19 19.1 19.2 19.3 19.4 20 21 22 23 24 25
SAA7108AE; SAA7109AE
INPUT/OUTPUT INTERFACES AND PORTS OF DIGITAL VIDEO DECODER PART Analog terminals Audio clock signals Clock and real-time synchronization signals Video expansion port (X port) Image port (I port) Host port for 16-bit extension of video data I/O (H port) Basic input and output timing diagrams for the I and X ports BOUNDARY SCAN TEST Initialization of boundary scan circuit Device identification codes LIMITING VALUES THERMAL CHARACTERISTICS CHARACTERISTICS OF THE DIGITAL VIDEO ENCODER PART CHARACTERISTICS OF THE DIGITAL VIDEO DECODER PART TIMING Digital video encoder part Digital video decoder part APPLICATION INFORMATION Reconstruction filter Analog output voltages Suggestions for a board layout I2C-BUS DESCRIPTION Digital video encoder part Digital video decoder part PROGRAMMING START SET-UP OF DIGITAL VIDEO DECODER PART Decoder part Audio clock generation part Data slicer and data type control part Scaler and interfaces PACKAGE OUTLINE SOLDERING DATA SHEET STATUS DEFINITIONS DISCLAIMERS PURCHASE OF PHILIPS I2C COMPONENTS
2003 Mar 26
2
Philips Semiconductors
Product specification
HD-CODEC
1 1.1 FEATURES Video decoder
SAA7108AE; SAA7109AE
· Six analog inputs, internal analog source selectors, e.g. 6 × CVBS or (2 × Y/C and 2 × CVBS) or (1 × Y/C and 4 × CVBS) · Two analog preprocessing channels in differential CMOS style for best S/N performance · Fully programmable static gain or Automatic Gain Control (AGC) for the selected CVBS or Y/C channel · Switchable white peak control · Two built-in analog anti-aliasing filters · Two 9-bit video CMOS Analog-to-Digital Converters (ADCs), digitized CVBS or Y/C signals are available on the Image Port Data (IPD) port under I2C-bus control · On-chip clock generator · Line-locked system clock frequencies · Digital PLL for horizontal sync processing and clock generation, horizontal and vertical sync detection · Requires only one crystal (either 24.576 MHz or 32.11 MHz) for all standards · Automatic detection of 50 and 60 Hz field frequency, and automatic switching between PAL and NTSC standards · Luminance and chrominance signal processing for PAL BGHI, PAL N, combination PAL N, PAL M, NTSC M, NTSC-Japan, NTSC N, NTSC 4.43 and SECAM · User programmable luminance peaking or aperture correction · Cross-colour reduction for NTSC by chrominance comb filtering · PAL delay line for correcting PAL phase errors · Brightness Contrast Saturation (BCS) and hue control on-chip · Two multi functional real-time output pins controlled by the I2C-bus · Multi-standard VBI data slicer decoding World Standard Teletext (WST), North-American Broadcast Text System (NABTS), Closed Caption (CC), Wide Screen Signalling (WSS), Video Programming System (VPS), Vertical Interval Time Code (VITC) variants (EBU/SMPTE) etc. · Standard ITU 656 Y-CB-CR 4 : 2 : 2 format (8-bit) on IPD output bus
(1) MacrovisionTM is a trademark of the Macrovision Corporation.
· Enhanced ITU 656 output format on IPD output bus containing: active video raw CVBS data for INTERCAST applications (27 MHz data rate) decoded VBI data · Detection of copy protected input signals according to the MacrovisionTM(1) standard. Can be used to prevent unauthorized recording of pay-TV or video tape signals. 1.2 Video scaler
· Both up and downscaling · Conversion to square pixel format · NTSC to 288 lines (video phone) · Phase accuracy better than 1/64 pixel or line, horizontally or vertically · Independent scaling definitions for odd and even fields · Anti-alias filter for horizontal scaling · Provides output as: scaled active video raw CVBS data for INTERCAST, WAVE-PHORE, POPCON applications or general VBI data decoding (27 MHz or sample rate converted) · Local video output for Y-CB-CR 4 : 2 : 2 format (VMI, VIP, ZV).
2003 Mar 26
3
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