Features; General Description - Philips SAA7102 Datasheet

Philips Semiconductors
Digital video encoder
1

FEATURES

• Digital PAL/NTSC encoder with integrated high quality
scaler and anti-flicker filter for TV output from a PC
• 27 MHz crystal-stable subcarrier generation
• Maximum graphics pixel clock 45 MHz at double edged
clocking, synthesized on-chip or from external source
• Up to 800 × 600 graphics data at 60 Hz or 50 Hz with
programmable underscan range
• Three Digital-to-Analog Converters (DACs) at 27 MHz
sample rate for CVBS (BLUE, C
CVBS) and C (RED, C
optional); all at 10-bit resolution
• Non-interlaced C
-Y-C
B
4 : 4 : 4 sampling
• Downscaling from 1 : 1 to 1 : 2 and up to 20% upscaling
• Optional interlaced C
(DVD)
• Optional non-interlaced RGB output to drive second
VGA monitor (bypass mode, maximum 45 MHz)
• 3 × 256 bytes RGB Look-Up Table (LUT)
• Support for hardware cursor
• Programmable border colour of underscan area
• On-chip 27 MHz crystal oscillator (3rd-harmonic or
fundamental 27 MHz crystal)
• Fast I
2
C-bus control port (400 kHz)
• Encoder can be master or slave
• Programmable horizontal and vertical input
synchronization phase
• Programmable horizontal sync output phase
• Internal Colour Bar Generator (CBG)
• Optional support of various Vertical Blanking Interval
(VBI) data insertion
• Macrovision™
(1)
Pay-per-View copy protection system
rev. 7.01 and rev. 6.1 as option; this applies to the
SAA7102 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.
(1) Macrovision™ is a trademark of the Macrovision Corporation.
2004 Mar 01
), VBS (GREEN,
B
) (signals in parenthesis are
R
or RGB input at maximum
R
-Y-C input Digital Versatile Disk
B R
• Power-save modes
• Joint Test Action Group (JTAG) boundary scan test
• Monolithic CMOS 3.3 V device, 5 V tolerant I/Os
• QFP44 and BGA156 packages
• Same footprint as SAA7108E; SAA7109E.
2

GENERAL DESCRIPTION

The SAA7102; SAA7103 is used to encode PC graphics
data at maximum 800 × 600 resolution to PAL (50 Hz) or
NTSC (60 Hz) video signals. A programmable scaler and
interlacer 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 800 × 600 resolution/60 Hz
(PIXCLK < 45 MHz).
The device includes a sync/clock generator and on-chip
DACs.
3
Product specification
SAA7102; SAA7103