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NS32FX164 Datasheet(PDF) 2 Page - Texas Instruments |
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NS32FX164 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 104 page  TLEE11267 February 1992 NS32FX161-15NS32FX161-20NS32FX164-20 NS32FX164-25NS32FV16-20NS32FV16-25 Advanced ImagingCommunication Signal Processors General Description The NS32FX164 the NS32FV16 and the NS32FX161 are high-performance 32-bit members of the Series 32000 EPTM family of National’s Embedded System ProcessorsTM specifically optimized for CCITT Group 2 and Group 3 Fac- simile Applications Data Modems Voice Mail Systems La- ser Printers or any combination of the above Unless specified otherwise any reference to the NS32FX164 in this document applies to the NS32FV16 and the NS32FX161 as well The NS32FX164 can perform all the computations and con- trol functions required for a stand-alone Fax system a PC add-in FaxVoiceData Modem card or a LaserFax sys- tem It also meets the performance requirements to implement 14400 9600 and 7200 bps modems complying with CCITT V17 V29 and V27 standards The NS32FV16 supports V29 and V27 standards as well as voice The NS32FX161 supports V29 and V27 standards The NS32FX164 provides a 16 Mbyte Linear external ad- dress space and a 16-bit external data bus The CPU core which is the same as that of the NS32CG16 incorporates a 32-bit ALU and instruction pipeline and an 8-byte prefetch queue Also integrated on-chip with the CPU are a DSP Module (DSPM) and a 4K-byte RAM Array (2K in the NS32FV16 and NS32FX161) The DSPM is a complete processing unit ca- pable of autonomous operation parallel to the CPU core operation The DSPM executes programs stored in an inter- nal on-chip Random Access Memory (RAM) and manipu- lates data stored either in the internal RAM or in an external off-chip memory To maximize utilization of hardware re- sources the DSPM contains a pipelined DSP-oriented data- path and a control logic that implements a set of DSP vec- tor commands The NS32FX164 capabilities can be expanded by using an external floating point unit (FPU) which directly interfaces to the NS32FX164 using the slave protocol The CPU-FPU cluster features high speed execution of the floating-point instructions The NS32FX164 highly-efficient architecture combined with the NS32CG16 graphics instructions and the high-perform- ance vector operation capability makes the device the ideal choice for PostscriptTM and Fax applications Features Y Software compatible with the Series 32000EP processors Y Designed around the CPU core of the NS32CG16 Y Pin compatible with the NS32FX16 Y 32-bit architecture and implementation Y On-chip DSP Module for high-speed DSP operations Y Special support for graphics applications 18 graphics instructions Binary compressionexpansion capability for font storage using RLL encoding Pattern magnification Interface to an external BITBLT processing units for fast color BITBLT operations Y 4K-byte on-chip RAM array (2K in NS32FV16 and NS32FX161) Y On-chip clock generator Y Floating-point support via the NS32081 or NS32181 Y Optimal interface to large memory arrays via the NS32CG821 and the DP84xx family of DRAM controllers Y Power save mode Y High-speed CMOS technology Y 68-pin PLCC package Block Diagram TLEE11267 – 1 FIGURE 1-1 CPU Block Diagram Series 32000 is a registered trademark of National Semiconductor Corporation EPTM and Embedded System ProcessorsTM are trademarks of National Semiconductor Corporation PostscriptTM is a trademark of Adobe Systems Inc C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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