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SAA7108AE

HD-CODEC

NXP Semiconductors. 

NXP Semiconductors

SAA7108AE; SAA7109AE

HD-CODEC

2.2 Video scaler

I Both up and downscaling

I Conversion to square pixel format

I NTSC to 288 lines (video phone)

I Phase accuracy better than 1⁄64 pixel or line, horizontally or vertically

I Independent scaling definitions for odd and even fields

I Anti-alias filter for horizontal scaling

I Provides output as:

N Scaled active video

N Raw CVBS data for INTERCAST, WAVE-PHORE, POPCON applications or

general VBI data decoding (27 MHz or sample rate converted)

I Local video output for Y-CB-CR 4 : 2 : 2 format (VMI, VIP and ZV)

2.3 Video encoder

I Digital PAL/NTSC encoder with integrated high quality scaler and anti-flicker filter for

TV output from a PC

I Supports Intel Digital Video Out (DVO) low-voltage interfacing to graphics controller

I 27 MHz crystal-stable subcarrier generation

I Maximum graphics pixel clock 85 MHz at double edged clocking, synthesized on-chip

or from external source

I Programmable assignment of clock edge to bytes (in double edged mode)

I Synthesizable pixel clock (PIXCLK) with minimized output jitter, can be used as

reference clock for the VGC, as well

I PIXCLK output and bi-phase PIXCLK input (VGC clock loop-through possible)

I Hot-plug detection through dedicated interrupt pin

I Supported VGA resolutions for PAL or NTSC legacy video output up to 1280 × 1024

graphics data at 60 Hz or 50 Hz frame rate

I Supported VGA resolutions for HDTV output up to 1920 × 1080 interlaced graphics

data at 60 Hz or 50 Hz frame rate

I Three Digital-to-Analog Converters (DACs) for CVBS (BLUE, CB), VBS (GREEN,

CVBS) and C (RED, CR) at 27 MHz sample rate (signals in parenthesis are optionally

selected), all at 10-bit resolution

I Non-interlaced CB-Y-CR or RGB input at maximum 4 : 4 : 4 sampling

I Downscaling and upscaling from 50 % to 400 %

I Optional interlaced CB-Y-CR input of Digital Versatile Disk (DVD) signals

I Optional non-interlaced RGB output to drive second VGA monitor (bypass mode,

maximum 85 MHz)

I 3 × 256 bytes RGB Look-Up Table (LUT)

I Support for hardware cursor

I HDTV up to 1920 × 1080 interlaced and 1280 × 720 progressive, including 3-level

sync pulses

I Programmable border color of underscan area

I Programmable 5-line anti-flicker filter

I On-chip 27 MHz crystal oscillator (3rd harmonic or fundamental 27 MHz crystal)

I Fast I2C-bus control port (400 kHz)

SAA7108AE_SAA7109AE_3

Product data sheet

Rev. 03 — 6 February 2007

© NXP B.V. 2007. All rights reserved.

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