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SAA5291AH

Economy teletext and TV microcontrollers; General\n? Single chip microcontroller with integrated teletext\n?? decoder\n? Single +5 V power supply\n? Single crystal oscillator for teletext decoder, display and\n?? microcontroller\n? Teletext function can be powered-down independently\n?? of microcontroller function for reduced power\n?? consumption in stand-by\n? Pin compatibility throughout family.Microcontroller\n? 80C51 microcontroller core\n? 16/32/64 kbyte mask programmed ROM\n? 256/768/1280 bytes of microcontroller RAM\n? Eight 6-bit Pulse Width Modulator (PWM) outputs for\n?? control of TV analog signals\n? One 14-bit PWM for Voltage Synthesis Tuner control\n? Four 8-bit Analog-to-Digital converters\n? 2 high current open-drain outputs for directly driving\n?? LED’s etc.\n? I2C-bus interface\n? External ROM and RAM capability on QFP80 package\n?? version.\n;

GENERAL DESCRIPTION\nThe 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 teletext function.\nThe teletext hardware has the capability of decoding and displaying both 525-line and 625-line World System\nTeletext. The same display hardware is used both for Teletext and On-Screen Display, which means that the display features give greater flexibility to differentiate the TV set.\nFEATURES\nGeneral\n? Single chip microcontroller with integrated teletext\n?? decoder\n? Single +5 V power supply\n? Single crystal oscillator for teletext decoder, display and\n?? microcontroller\n? Teletext function can be powered-down independently\n?? of microcontroller function for reduced power\n?? consumption in stand-by\n? Pin compatibility throughout family.Microcontroller\n? 80C51 microcontroller core\n? 16/32/64 kbyte mask programmed ROM\n? 256/768/1280 bytes of microcontroller RAM\n? Eight 6-bit Pulse Width Modulator (PWM) outputs for\n?? control of TV analog signals\n? One 14-bit PWM for Voltage Synthesis Tuner control\n? Four 8-bit Analog-to-Digital converters\n? 2 high current open-drain outputs for directly driving\n?? LED’s etc.\n? I2C-bus interface\n? External ROM and RAM capability on QFP80 package\n?? version.\n

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SAA5291AH

Economy teletext and TV microcontrollers

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SAA5291APS

EconomyteletextandTVmicrocontrollers

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SAA5291H

EconomyteletextandTVmicrocontrollers

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SAA5291PS

EconomyteletextandTVmicrocontrollers

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SAA5291PS

EconomyteletextandTVmicrocontrollers

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