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Part: SAA5297APS/NNN
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INTEGRATED CIRCUITS
DATA SHEET
SAA5x9x family Economy teletext and TV microcontrollers
Preliminary specification Supersedes data of 1997 Jul 07 File under Integrated Circuits, IC02 1998 Dec 14
Philips Semiconductors
Preliminary specification
Economy teletext and TV microcontrollers
CONTENTS 1 1.1 1.2 1.3 1.4 1.5 1.6 2 2.1 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 FEATURES General Microcontroller Teletext acquisition Teletext Display Additional features of SAA529xA devices Additional features of SAA549x devices GENERAL DESCRIPTION Device masking history 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 SAA5290, SAA5290A, 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 (SAA5290, SAA5290A, SAA5291, SAA5291A and SAA5491 only) THE DISPLAY Introduction Character matrix 9.3 9.4 9.5 9.6 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 10.7 11 12 13 14 15 16 17 18 18.1 18.2 18.3 18.4 19 20 21
SAA5x9x family
East/West selection National option characters The twist attribute 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 Reset signal CHARACTER SETS Pan-European Cyrillic Greek/Turkish Arabic/English/French Thai Arabic/Hebrew Iranian LIMITING VALUES CHARACTERISTICS CHARACTERISTICS FOR THE I2C-BUS INTERFACE QUALITY AND RELIABILITY APPLICATION INFORMATION EMC GUIDELINES PACKAGE OUTLINES SOLDERING Introduction Through-hole mount packages Surface mount packages Suitability of IC packages for wave, reflow and dipping soldering methods DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS
9 9.1 9.2
1998 Dec 14
2
Philips Semiconductors
Preliminary specification
Economy teletext and TV microcontrollers
1 1.1 FEATURES General
SAA5x9x family
· 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 standby · Pin compatibility throughout family. 1.2 Microcontroller · Automatic detection of FASTEXT transmission · Real-time packet 26 engine for processing accented (and other) characters · Comprehensive Teletext language coverage · Video signal quality detector. 1.4 · 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 LEDs etc. · I2C-bus interface · External ROM and RAM capability on QFP80 package version. 1.3 Teletext acquisition Teletext Display
· 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
· Wide Screen Signalling (WSS) bit decoding (line 23). 1.6 Additional features of SAA549x devices
· 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)
· 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.
1998 Dec 14
3
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