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SAA7126H Datasheet

Digital video encoder

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INTEGRATED CIRCUITS
DATA SHEET
SAA7126H; SAA7127H
Digital video encoder
Product specification
File under Integrated Circuits, IC22
1999 May 31


NXP Semiconductors Electronic Components Datasheet

SAA7126H Datasheet

Digital video encoder

No Preview Available !

Philips Semiconductors
Digital video encoder
Product specification
SAA7126H; SAA7127H
FEATURES
Monolithic CMOS 3.3 V device, 5 V I2C-bus optionally
Digital PAL/NTSC encoder
System pixel frequency 13.5 MHz
54 MHz double-speed multiplexed D1 interface capable
of splitting data into two separate channels (encoded
and baseband)
Four Digital-to-Analog Converters (DACs) for CVBS
(CSYNC, VBS), RED (Cr, C), GREEN (Y, VBS) and
BLUE (Cb, CVBS) two times oversampled (signals in
parenthesis are optionally). RED (Cr), GREEN (Y) and
BLUE (Cb) signal outputs with 9-bit resolution, whereas
all other signal outputs have 10-bit resolution; CSYNC is
an advanced composite sync on the CVBS output for
RGB display centring.
Real-time control of subcarrier
Cross-colour reduction filter
Closed captioning encoding and World Standard
Teletext (WST) and North-American Broadcast Text
System (NABTS) teletext encoding including sequencer
and filter
Copy Generation Management System (CGMS)
encoding (CGMS described by standard CPR-1204 of
EIAJ); 20 bits in lines 20/283 (NTSC) can be loaded via
the I2C-bus
Fast I2C-bus control port (400 kHz)
Line 23 Wide Screen Signalling (WSS) encoding
Video Programming System (VPS) data encoding in
line 16 (CCIR line count)
Encoder can be master or slave
Programmable horizontal and vertical input
synchronization phase
Programmable horizontal sync output phase
Internal Colour Bar Generator (CBG)
Macrovision Pay-per-View copy protection system
rev. 7.01 and rev. 6.1 as option; ‘handsfree’ Macrovision
pulse support through on-chip timer for pulse amplitude
modulation; this applies to SAA7126H only. The device
is protected by USA patent numbers 4631603, 4577216
and 4819098 and other intellectual property rights.
Use of the Macrovision anti-copy process in the device
is licensed for non-commercial home use only. Reverse
engineering or disassembly is prohibited. Please
contact your nearest Philips Semiconductors sales
office for more information.
Controlled rise/fall times of output syncs and blanking
On-chip crystal oscillator (3rd-harmonic or fundamental
crystal)
Down mode (low output voltage) or power-save mode of
DACs
QFP44 package.
GENERAL DESCRIPTION
The SAA7126H; SAA7127H encodes digital Cb-Y-Cr
video data to an NTSC or PAL CVBS or S-video signal.
Simultaneously, RGB or bypassed but interpolated
Cb-Y-Cr signals are available via three additional
Digital-to-Analog Converters (DACs). The circuit at a
54 MHz multiplexed digital D1 input port accepts two CCIR
compatible Cb-Y-Cr data streams with 720 active pixels
per line in 4 : 2 : 2 multiplexed formats, for example MPEG
decoded data with overlay and MPEG decoded data
without overlay, whereas one data stream is latched at the
rising, the other one at the falling clock edge.
It includes a sync/clock generator and on-chip DACs.
ORDERING INFORMATION
TYPE NUMBER
SAA7126H
SAA7127H
NAME
QFP44
PACKAGE
DESCRIPTION
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10 × 10 × 1.75 mm
VERSION
SOT307-2
1999 May 31
2


Part Number SAA7126H
Description Digital video encoder
Maker NXP
Total Page 30 Pages
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