saa7114 NXP Semiconductors, saa7114 Datasheet - Page 3

• Manufacturer Part Number: saa7114
• Description: Pal/ntsc/secam Video Decoder With Adaptive Pal/ntsc Combfilter, Vbi-data Slicer And High Performance Scaler
• Manufacturer: NXP Semiconductors

Philips Semiconductors
3. Applications
SAA7114_3
Product data sheet
2.3 VBI data decoder and slicer
2.4 Audio clock generation
2.5 Digital I/O interfaces
2.6 Miscellaneous
Versatile VBI data decoder, slicer, clock regeneration and byte synchronization e.g. for
World Standard Teletext (WST), North American Broadcast Text System (NABTS),
closed caption, Wide Screen Signalling (WSS), etc.
Generation of a field-locked audio master clock to support a constant number of audio
clocks per video field
Generation of an audio serial and left/right (channel) clock signal
Real-time signal port (R port), inclusive continuous line-locked reference clock and
real-time status information supporting RTC level 3.1 (refer to document
“RTC Functional Specification” for details)
Bidirectional expansion port (X port) with half duplex functionality (D1), 8-bit Y-C
Video image port (I port) configurable for 8-bit data (extension to 16-bit possible) in
master mode (own clock), or slave mode (external clock), with auxiliary timing and
handshake signals
Discontinuous data streams supported
32-word
28-word
Scaled 4 : 2 : 2, 4 : 1 : 1, 4 : 2 : 0, 4 : 1 : 0 Y-C
Scaled 8-bit luminance only and raw CVBS data output
Sliced, decoded VBI data output
Power-on control
5 V tolerant digital inputs and I/O ports
Software controlled power saving standby modes supported
Programming via serial I
up to 400 kbit/s
Boundary scan test circuit complies with the “IEEE Std. 1149.b1 - 1994”
Desktop video
Multimedia
Digital television
Image processing
Video phone applications
Output from decoder part, real-time and unscaled
Input to scaler part, e.g. video from MPEG decoder (extension to 16-bit possible)
4-byte FIFO register for video output data
4-byte FIFO register for decoded VBI data output
Rev. 03 — 17 January 2006
2
C-bus, full read back ability by an external controller, bit rate
B
-C
R
PAL/NTSC/SECAM video decoder
output
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
SAA7114
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B
-C
R
: