PHILIPS SAA4951 Data Sheet/Manual
Summary
The SAA4951 is a high-performance memory controller designed primarily for advanced, professional TV sets utilizing 2f-techniques. This device manages complex video signal processing, supporting multiple data rates (Y:U:V) and variable display ratios up to 14:9 on 16:9 screens. The manual provides comprehensive technical specifications, functional descriptions, detailed pin configurations, and operational guidelines necessary for integrating robust picture enhancement and memory management into core video systems. It is essential reading for hardware engineers developing next-generation television or broadcast display equipment.
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INTEGRATED CIRCUITS
DATA SHEET
SAA4951 Memory controller
Preliminary specification April
File under Integrated Circuits, IC02
Page Summary Contents For PHILIPS SAA4951 Data Sheet/Manual
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查询SAA4951供应商 INTEGRATED CIRCUITS DATA SHEET SAA4951 Memory controller Preliminary specification April File under Integrated Circuits, IC02
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Philips Semiconductors Preliminary specification Memory controller SAA4951 FEATURES GENERAL DESCRIPTION Support for acquisition, display and deflection PLL The memory controller SAA4951 has been desig...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 ha nd bo ok , f ul l p ag ew id th IC IC LP IS IO LI LI IN LU IV ig .1 pr ov ed ic tu re ua lit (I od ul e. April
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Philips Semiconductors Preliminary specification Memory controller SAA4951 PINNING SYMBOL PIN TYPE(1) DESCRIPTION HRD horizontal reference signal, display part VDD positive supply voltage SWC1 serial ...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 SYMBOL PIN TYPE(1) DESCRIPTION VDD positive supply voltage HDFL horizontal synchronization signal, deflection part VDFL verti...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 FUNCTIONAL DESCRIPTION Display related control signals are derived from the display PLL. The functions are similar to the acq...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 handbook, full pagewidth ALDUV/VB SAA4951 HRA/BLNA H-TIMING ACQ-CLOCK GENERATOR RSTW1 VACQ STROBE ACQ V-TIMING RSTW2 WE1 LOGI...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 Microcontroller interface bits wide, in this case the MSB is combined with other MSBs or fine delay control bits in an extra ...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 ADDRESS REGISTER FUNCTION (HEX) Horizontal pulses generated from the display clock BLNDSTA start of horizontal blanking pulse...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 ADDRESS REGISTER FUNCTION (HEX) Registers to turn on different modes MODE0 mode register 0 MODE1 mode register 1 the bits of ...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 Table 3 Mode registers. REGISTER BIT NAME REMARKS MODE0 0 (LSB) FSA0 frequency select acquisition bit 0 FSA1 frequency select...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 REGISTER BIT NAME REMARKS MODE1 (LSB) DR display raster STPWM1 stop writing to memory 1: still picture mode STPWM2 stop writi...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 handbook, full pagewidth ALDUV (format 4:1:1) ALDUV (format 4:2:2) ALDUV (format 4:4:4) MGH134 Fig.5 Timing of the signal ALD...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 handbook, full pagewidth WE1f MGH135 Fig.6 Programmable horizontal acquisition signals. Table 4 Horizontal programming range ...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 VACQ RSTW1 This is the 50 Hz vertical synchronization input signal The reset write output pulse 1 starts the write address de...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 BLND WE2 The output signal BLND is a horizontal blanking pulse and A HIGH level on this output pin enables picture data to be...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 RE1 RE2 The output RE1 is the read enable signal for field The output RE2 is the read enable signal for field memory 1. A HIG...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 Description of deflection part HRDFL LLDFL This horizontal output signal is the reference pulse for the horizontal deflection...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 Timing specification The internal delays of the output signals referred to the respective clock are given in Table 8. handboo...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VDD supply v...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 APPLICATION INFORMATION Fig.12 shows a block diagram of the application environment of the memory controller SAA4951. The ful...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 IC IC /U /V IS /U /V 4C /6 0/ IO or IN LU IV LI LI (1 4C LO IO LL IE1 to LE IO WE1 LL RSTW1 LL LL LL WE2 SWC2 /1 3. 5/ /3 RST...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 PACKAGE OUTLINE PLCC44: plastic leaded chip carrier; 44 leads SOT187-2 De Ee pin 1 index detail X 10 mm scale DIMENSIONS (mil...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 SOLDERING Wave soldering Introduction Wave soldering techniques can be used for all PLCC packages if the following conditions...
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Philips Semiconductors Preliminary specification Memory controller SAA4951 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product deve...
Manual Details
| Brand | Philips |
|---|---|
| Pages | 25 |
| File Size | 91.27 KB |
| Published | June 19, 2026 |
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Frequently Asked Questions
What video memory types does the SAA4951 support?
The SAA4951 supports different video memory types like TMS1050/60/70/2970.
How is the SAA4951 microcontroller programmed?
The SAA4951 is programmed via an 8-bit microcontroller port and the I²C-bus, enabling programmable output control signals.
What is the operating supply voltage range?
The operating supply voltage (V_DD) range is 4.5 V min, 5.0 V typ, to 5.5 V max.