saa7105e-v1-g NXP Semiconductors, saa7105e-v1-g Datasheet

saa7105e-v1-g

Manufacturer Part Number

saa7105e-v1-g

Description

Digital Video Encoder

Manufacturer

NXP Semiconductors

Datasheet

1.SAA7105E-V1-G.pdf (78 pages)

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1. General description

2. Features

The SAA7104E; SAA7105E is an advanced next-generation video encoder which

converts PC graphics data at maximum 1280

interlaced) to PAL (50 Hz) or NTSC (60 Hz) video signals. A programmable scaler and

anti-ﬂicker ﬁlter (maximum 5 lines) ensures properly sized and ﬂicker-free TV display as

CVBS or S-video output.

Alternatively, the three Digital-to-Analog Converters (DACs) can output RGB signals

together with a TTL composite sync to feed SCART connectors.

When the scaler/interlacer is bypassed, a second VGA monitor can be connected to the

RGB outputs and separate H and V-syncs as well, thereby serving as an auxiliary monitor

at maximum 1280

can provide Y, P

The device includes a sync/clock generator and on-chip DACs.

All inputs intended to interface to the host graphics controller are designed for low-voltage

signals between down to 1.1 V and up to 3.6 V.

SAA7104E; SAA7105E

Digital video encoder

Rev. 02 — 23 December 2005

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

TV output from a PC

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

27 MHz crystal-stable subcarrier generation

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

or from external source

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

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

reference clock for the VGC, as well

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

Hot-plug detection through dedicated interrupt pin

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

graphics data at 60 Hz or 50 Hz frame rate

Supported VGA resolutions for HDTV output up to 1920

data at 60 Hz or 50 Hz frame rate

Three Digital-to-Analog Converters (DACs) at 27 MHz sample rate for CVBS (BLUE,

10-bit resolution

Non-Interlaced (NI) C

), VBS (GREEN, CVBS) and C (RED, C

and P

1024 resolution/60 Hz (PIXCLK < 85 MHz). Alternatively this port

signals for HDTV monitors.

-Y-C

or RGB input at maximum 4 : 4 : 4 sampling

) (signals in parenthesis are optional); all at

1024 resolution (optionally 1920

Product data sheet

1080 interlaced graphics

1024

1080

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