SAA7154E/V2/G NXP Semiconductors, SAA7154E/V2/G Datasheet - Page 15

• Manufacturer Part Number: SAA7154E/V2/G
• Manufacturer: NXP Semiconductors

Specifications of SAA7154E/V2/G

• Adc/dac Resolution: 10b
• Screening Level: Commercial
• Package Type: LBGA
• Pin Count: 156
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
7. Functional description
SAA7154E_SAA7154H_2
Product data sheet
7.1.1 Features
7.1 Analog front-end
The SAA7154E; SAA7154H offers sixteen analog signal inputs which supply the signals
to four analog main channels with source switches, clamp circuits, analog amplifiers and
10-bit CMOS ADCs with decimation filters. The SAA7154E; SAA7154H has some
auxiliary inputs which can be utilized to detect 3-level configuration signals common on
SCART- or D-connector (see
Features:
Another set of four 3-bit ADCs have the function to convert analog RGB signals carrying
menu or teletext overlay signals, e.g. from a teletext decoder like SAA5264/65.
Figure 5
SCART and its connections to digital blocks: AV-detect, Fast SWitch (FSW), video
decoder and component processing.
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Automatic Gain Control (AGC) for the selected CVBS or Y/C channel or manually
adjustable gain for all signal types
Automatic clamp control for CVBS, Y/C and component video
I
Supporting fast channel switching
Automatic detection of activity on fast blanking (RGB-switch control); see
Seamless fast blanking between CVBS input and synchronous RGB-SCART input
Support for D-terminal or up to two SCART connectors
Buffered analog video output, e.g. to connect CVBS to a peripheral teletext decoder
RMS noise level estimation.
2
C-bus read back of digital AGC gain factor
shows the principle usage of the analog video inputs in an application with
Rev. 02 — 6 December 2007
Section 7.1.1.1
SAA7154E; SAA7154H
Multistandard video decoder with comb filter
and
Section
11.3).
© NXP B.V. 2007. All rights reserved.
Section 7.4
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