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SAA5291 Dataheets PDF



Part Number SAA5291
Manufacturers NXP
Logo NXP
Description Economy teletext and TV microcontrollers
Datasheet SAA5291 DatasheetSAA5291 Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET SAA5x9x family Economy teletext and TV microcontrollers Preliminary specification File under Integrated Circuits, IC02 1997 Jul 07 Philips Semiconductors Preliminary specification Economy teletext and TV microcontrollers CONTENTS 1 1.1 1.2 1.3 1.4 1.5 1.6 2 3 4 5 6 6.1 6.2 7 7.1 7.2 7.3 7.4 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 9 9.1 9.2 9.3 9.4 9.5 9.6 FEATURES General Microcontroller Teletext acquisition Teletext Display Addi.

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INTEGRATED CIRCUITS DATA SHEET SAA5x9x family Economy teletext and TV microcontrollers Preliminary specification File under Integrated Circuits, IC02 1997 Jul 07 Philips Semiconductors Preliminary specification Economy teletext and TV microcontrollers CONTENTS 1 1.1 1.2 1.3 1.4 1.5 1.6 2 3 4 5 6 6.1 6.2 7 7.1 7.2 7.3 7.4 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15 8.16 9 9.1 9.2 9.3 9.4 9.5 9.6 FEATURES General Microcontroller Teletext acquisition Teletext Display Additional features of SAA529xA devices Additional features of SAA549x devices GENERAL DESCRIPTION ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION Microcontroller 80C51 Features not supported Additional features Microcontroller interfacing TELETEXT DECODER Data slicer Acquisition timing Teletext acquisition Rolling headers and time Error checking Memory organisation of SAA5296/7, SAA5296/7A and SAA5496/7 Inventory page Memory Organisation of SAA5291, SAA5291A and SAA5491 Packet 26 processing VPS Wide Screen Signalling (SAA529xA and SAA549x only) 525-line world system teletext Fastext detection Page clearing Full channel operation Independent data services (SAA5291, SAA5291A, SAA5491 only) THE DISPLAY Introduction Character matrix East/West selection National option characters The twist attribute On Screen Display symbols 2 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 9.16 9.17 9.18 9.19 9.20 9.21 9.22 9.23 10 10.1 10.2 10.3 10.4 10.5 10.6 11 12 13 14 15 16 17 18 18.1 18.2 18.3 19 20 21 SAA5x9x family Language group identification 525-line operation On Screen Display characters Control characters Quadruple width display (SAA549x) Page attributes Display modes On Screen Display boxes Screen colour Redefinable Colours (SAA549x) Cursor Other display features Display timing Horizontal timing Vertical timing Display position Clock generator CHARACTER SETS Pan-European Russian Greek/Turkish Arabic/English/French Thai Arabic/Hebrew LIMITING VALUES CHARACTERISTICS CHARACTERISTICS FOR THE I2C-BUS INTERFACE QUALITY SPECIFICATIONS APPLICATION INFORMATION EMC GUIDELINES PACKAGE OUTLINES SOLDERING Introduction SDIP QFP DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS 1997 Jul 07 Philips Semiconductors Preliminary specification Economy teletext and TV microcontrollers 1 1.1 FEATURES General 1.4 Teletext Display SAA5x9x family • 525-line and 625-line display • 12 × 10 character matrix • Double height, width and size On-Screen Display (OSD) • Definable border colour • Enhanced display features including meshing and shadowing • 260 characters in mask programmed ROM • Automatic FRAME output control with manual override • RGB push pull output to standard decoder ICs • Stable display via slave synchronisation to Horizontal Sync and Vertical Sync. 1.5 Additional features of SAA529xA devices • Single chip microcontroller with integrated teletext decoder • Single +5 V power supply • Single crystal oscillator for teletext decoder, display and microcontroller • Teletext function can be powered-down independently of microcontroller function for reduced power consumption in stand-by • Pin compatibility throughout family. 1.2 Microcontroller • 80C51 microcontroller core • 16/32/64 kbyte mask programmed ROM • 256/768/1280 bytes of microcontroller RAM • Eight 6-bit Pulse Width Modulator (PWM) outputs for control of TV analog signals • One 14-bit PWM for Voltage Synthesis Tuner control • Four 8-bit Analog-to-Digital converters • 2 high current open-drain outputs for directly driving LED’s etc. • I2C-bus interface • External ROM and RAM capability on QFP80 package version. 1.3 Teletext acquisition • Wide Screen Signalling (WSS) bit decoding (line 23). 1.6 Additional features of SAA549x devices • Wide Screen Signalling bit decoding (line 23) • Quad width OSD capability • 32 additional OSD characters in mask programmed ROM • 8 foreground and 8 background colours definable from a palette of 64. 2 GENERAL DESCRIPTION • 1 page and 10 page Teletext version • Acquisition of 525-line and 625-line World System Teletext, with automatic selection • Acquisition and decoding of VPS data (PDC system A) • Page clearing in under 64 µs (1 TV line) • Separate storage of extension packets (SAA5296/7, SAA5296/7A and SAA5496/7) • Inventory of transmitted Teletext pages stored in the Transmitted Page Table (TPT) and Subtitle Page Table (SPT) (SAA5296/7, SAA5296/7A and SAA5496/7) • Automatic detection of FASTEXT transmission • Real-time packet 26 engine for processing accented (and other) characters • Comprehensive Teletext language coverage • Video signal quality detector. The SAA529x, SAA529xA and SAA549x family of microcontrollers are a derivative of the Philips’ industry-standard 80C51 microcontroller and are intended for use as the central control mechanism in a television receiver. They provide control functions for the television system and include an integrated .


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