SAA7146AH datasheet(4/144 Pages) PHILIPS

Part #	SAA7146AH

Description	Multimedia bridge, high performance Scaler and PCI circuit SPCI

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 144 page

1998 Apr 09

4

Philips Semiconductors

Product speciﬁcation

Multimedia bridge, high performance

Scaler and PCI circuit (SPCI)

SAA7146A

1.5

General

• Subsystem (board) vendor ID support for board

identification via software driver

• Internal arbitration control

• Diagnostic support and event analysis

• Programmable Vertical Blanking Interval (VBI) data

region for e.g. to support INTERCAST, teletext, closed

caption and similar applications

• 3.3 V supply enables reduced power consumption, 5 V

tolerant I/Os for 5 V PCI signalling environment.

2

GENERAL DESCRIPTION

The SAA7146A, Multimedia PCI-bridge, is a highly

integrated circuit for DeskTop Video (DTV) applications.

The device provides a number of interface ports that

enable a wide variety of video and audio ICs to be

connected to the PCI-bus thus supporting a number of

video applications in a PC. One example of the application

capabilities is shown in Fig.49.

Figure 1 shows the various interface ports and the main

internal function blocks.

3

QUICK REFERENCE DATA

4

ORDERING INFORMATION

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

VDDD

digital supply voltage

3.0

3.3

3.6

V

IDDD(tot)

total digital supply current

−

400

−

mA

Vi;Vo

data input/output levels

TTL compatible

fLLC

LLC input clock frequency

−−

32

MHz

fPCI

PCI input clock frequency

−−

33

MHz

fI2S

I2S input clock frequency

−−

12.5

MHz

Tamb

operating ambient temperature

0

−

70

°C

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

SAA7146AH

QFP160

plastic quad ﬂat package; 160 leads (lead length 1.95 mm);

body 28

× 28 × 3.4 mm; high stand-off height

SOT322-1

SAA7146AHZ

SQFP208

plastic shrink quad ﬂat package; 208 leads (lead length 1.3 mm);

body 28

× 28 × 3.4 mm

SOT316-1

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