saa5290ps NXP Semiconductors, saa5290ps Datasheet - Page 3
saa5290ps
Manufacturer Part Number
saa5290ps
Description
Economy Teletext And Tv Microcontrollers
Manufacturer
NXP Semiconductors
Datasheet
1.SAA5290PS.pdf
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Philips Semiconductors
1
1.1
1.2
1.3
1998 Dec 14
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.
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.
I
External ROM and RAM capability on QFP80 package
version.
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 s (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)
Economy teletext and TV microcontrollers
2
C-bus interface
FEATURES
General
Microcontroller
Teletext acquisition
3
1.4
1.5
1.6
Automatic detection of FASTEXT transmission
Real-time packet 26 engine for processing accented
(and other) characters
Comprehensive Teletext language coverage
Video signal quality detector.
525-line and 625-line display
12
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.
Wide Screen Signalling (WSS) bit decoding (line 23).
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.
Teletext Display
Additional features of SAA529xA devices
Additional features of SAA549x devices
10 character matrix
SAA5x9x family
Preliminary specification
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