SAA4951 - Memory controller

Product Overview

Philips

Datasheet Details

Part number	SAA4951
Manufacturer	Philips
File Size	95.85 KB
Description	Memory controller
Datasheet	SAA4951 Datasheet
Additional preview pages of the SAA4951 datasheet.

Product details

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.The device is connected to a microcontroller via an 8-bit data bus.The controller receives commands via the I2C-bus.Due to this fact the start and stop conditions of the main output control

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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Published: May 18, 2005 |