SAA7144 NXP Semiconductors, SAA7144 Datasheet - Page 2

• Manufacturer Part Number: SAA7144
• Manufacturer: NXP Semiconductors

Specifications of SAA7144

• Package Type: LQFP
• Lead Free Status / RoHS Status: Compliant

Philips Semiconductors
2. Features
3. Applications
9397 750 14454
Product data sheet
2.1 General
2.2 Features of each of the four video decoder instances A, B, C and D
Four stand alone video decoder instances (A, B, C, D) with two selectable CVBS video
inputs each and digital video outputs
Programming register mapping identical to SAA7113H
Small package (LQFP128)
Requires only one crystal (24.576 MHz) for all standards shared by all video decoder
instances
CMOS 3.3 V device with 5 V tolerant digital inputs and I/O ports
All four decoder instances are I
I
400 kbit/s).
Two analog CVBS inputs with internal analog source selectors
One analog preprocessing channel in differential CMOS style with built-in analog
anti-aliasing filter
Fully programmable static gain or automatic gain control for the selected CVBS
channel
Switchable white peak control
Line-locked system clock frequencies
Digital PLL for horizontal sync processing and clock generation, horizontal and vertical
sync detection
Automatic detection of 50 Hz and 60 Hz field frequency and automatic switching
between PAL and NTSC standards
Luminance and chrominance signal processing for PAL BGHI, PAL N,
combination PAL N, PAL M, NTSC M, NTSC N, NTSC 4.43, NTSC Japan and SECAM
User programmable luminance peaking or aperture correction
Cross-color reduction for NTSC by chrominance comb filtering
PAL delay line for correcting PAL phase errors
Brightness Contrast Saturation (BCS) and hue control on-chip
Multistandard VBI data slicer decoding World Standard Teletext (WST), North
American Broadcast Text System (NABTS), closed caption, Wide Screen Signalling
(WSS), Video Programming System (VPS), Vertical Interval Time Code (VITC)
variants (EBU/SMPTE), etc.
Standard ITU-R BT 656 Y-C
Enhanced ITU-R BT 656 output format on VPO output bus containing:
Boundary scan test circuit complies with the “IEEE Std. 1149.b1 - 1994” .
Surveillance application.
2
C-bus interface (full read-back ability by an external controller, bit rate up to
Active video
Decoded VBI data
Rev. 01 — 21 April 2005
B
-C
2
R
C-bus controlled. Two decoder instances share one
4 : 2 : 2 format (8-bit) on VPO output bus
Quadruple video input processor
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SAA7144HL
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