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SAA4951 Datasheet Memory Controller

Manufacturer: Philips Semiconductors (now NXP Semiconductors)

Overview: INTEGRATED CIRCUITS DATA SHEET SAA4951 Memory controller Preliminary specification File under Integrated Circuits, IC02 April 1994 Philips Semiconductors Preliminary specification Memory.

General Description

SAA4951 The memory controller SAA4951 has been designed for high end TV sets using 2fH-technics.

The circuit provides all necessary write, read and clock pulses to control different field memory concepts.

Furthermore the drive signals for the horizontal and vertical deflection power stages are generated.

Key Features

  • Support for acquisition, display and deflection PLL.
  • 50/100 (or 60/120) Hz scan conversion for different input data rates: 12, 13.5, 16 and 18 MHz.
  • Support for 4:3 and 14:9 display on a 16:9 screen (horizontal compression).
  • Support for Y:U:V data rates of 4:1:1, 4:2:2, and 4:4:4.
  • Horizontal zoom.
  • Still picture.
  • Support for one or two field memories.
  • Support for different video memory types like TMS 1050/60/70/2970.

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