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SAA5288

Features: 1.1 General` On-chip TV control tuning` Hardware and software compatible with SAA5290, SAA5291 and SAA5296` Single +5 V power supply` RGB interface to standard decoder ICs, push-pull output drive` SDIP52 package` Single crystal oscillator for display and microcontroller.1.2 Microcontroll...

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SAA5288: Features: 1.1 General` On-chip TV control tuning` Hardware and software compatible with SAA5290, SAA5291 and SAA5296` Single +5 V power supply` RGB interface to standard decoder ICs, push-pull outpu...

SAA5288 Data Sheet

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Part Number:
SAA5288
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

1.1 General

` On-chip TV control tuning
` Hardware and software compatible with SAA5290, SAA5291 and SAA5296
` Single +5 V power supply
` RGB interface to standard decoder ICs, push-pull output drive
` SDIP52 package
` Single crystal oscillator for display and microcontroller.

1.2 Microcontroller

` 80C51 microcontroller core
` 16 kbyte mask programmed ROM
` 256 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 (ADCs)
` 2 high current open-drain outputs for directly driving LED's etc.
` Switchable bit or byte-oriented I2C-bus interface.

1.3 Display

` Single page (1024 * 8) on-board On Screen Display (OSD) memory
` Double size width and height capability for OSD
` Enhanced display features including meshing, shadowing and additional display attributes
` 260 characters in mask programmed ROM
` Display clock derived internally to reduce peripheral components to a minimum
` Automatic FRAME output control with manual override
` Standby mode for display hardware
` 525-line and 625-line display
` 12 * 10 character matrix
` Stable Display via slave synchronization to Horizontal Sync and Vertical Sync.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VDD supply voltage (all supplies)   -0.3 +6.5 V
VI input voltage (any input) note 1 -0.3 VDD + 0.5 V
VO output voltage (any output) note 1 -0.3 VDD + 0.5 V
IO output current (each output)   - ±10 mA
IIOK DC input or output diode current   - ±20 mA
Tamb operating ambient temperature   -20 +70 °C
Tstg storage temperature   -55 +125 °C

Note
1. This value has an absolute maximum of 6.5 V independent of VDD.


Description

The SAA5288 is a microcontroller for use in televisions with an OSD generator compatible with the Economy Teletext/TV microcontroller family (SAA5290, SAA5291, SAA5296 etc.). TV control facilities are provided by an on-chip industry standard 80C51 microcontroller and a 1 kbyte DRAM is included for OSD memory.

Hardware and software compatibility with the Economy Teletext/TV microcontroller family minimizes the changes required to develop a TV control function of SAA5288 for areas where teletext is not broadcast.

The SAA5288 cannot acquire Teletext but is based on a Teletext device. Therefore, throughout this document references are made to Teletext especially when describing the Display/OSD section. The Display/OSD section is fully compatible with a Teletext display and has all the features associated with Teletext (i.e. double height/width, flash, teletext boxes, graphics, etc.). The Display section of SAA5288 is described with reference to Teletext to allow software compatibility with the Economy Teletext/TV microcontroller family.




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