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STFLWARP20PL Arkusz danych(PDF) 2 Page - STMicroelectronics |
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STFLWARP20PL Arkusz danych(HTML) 2 Page - STMicroelectronics |
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2 / 28 page  GENERAL DESCRIPTION W.A.R.P.2.0 is a member of the W.A.R.P. family of fuzzy microprocessors, completely developed and produced by SGS-THOMSON Microelectronics us- ing the high performance, reliable HCMOS4T (O.7 µm) process. W.A.R.P.2.0 can be used both as a Fuzzy Co-proc- essor or as a stand-alone microcontroller. In the former case, it can work together with standard micros which shall perform normal control tasks while W.A.R.P.2.0 will be indipendentlyresponsible for all the fuzzy related computing. W.A.R.P.2.0 core includes the fuzzifier (ALPHA calculator), the inference unit, and the defuzzifier. The I/O capabilities demanded by microprocessor applications are fulfilled by W.A.R.P.2.0 with 8 Input and 4 Output lines which can be supported by handshaking signals. The capability of preset the polarity of the hand- shaking signals simplifies the interface with the host processor. An internal Start Conversion pulse is provided to allow simple use for waveform generation which can be directly applied to drive an A/D converter. The output 3-STATE buffer can be temporarily frozen in order to synchronize W.A.R.P.2.0 with slower devices. 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 W.A.R.P. 2.0 nc nc nc VDD VSS O0 O1 O2 O3 O4 O5 O6 VDD VSS nc nc nc VSS VDD MCLK PRESET OFL AUTO LASTIN OE RD TEST DS ENDOFL ERR BUSY READY VSS VDD Figure 3. Pin Connections Running W.A.R.P.2.0 involves a downloading phase and an On-Line phase. The downloading phase allows the setting of the processor, in terms of I/O number, universe of discourse, Membership Functions (MFs) and rules. During this phase W.A.R.P.2.0 prepares its internal memories for the On-Line elaboration phase and loads the micro- code in its program memory. This microcode, which drives the On-Line phase, is generated by the Compiler (see FUZZYSTUDIO ™ 2.0 User Man- ual). After that W.A.R.P.2.0 is ready to run (On-Line phase) processing inputs and producing the re- lated outputs according to the configuration loaded in the downloading phase. It is also possible to provide the processor with inputs in any order by specifying their identification numbers. Two basic memories are available in W.A.R.P.2.0 : the Antecedent Memory (AM) and the Pro- gram/Consequent Memory (PCM). The antece- dent MFs, portrayed by a resolution of 2 8 elements, are stored in the AM (256 bytes). W.A.R.P.2.0 exploits a SGS-THOMSON patented strategy to store the MFs in the AM. The information about Rules and Consequent MFs are stored in the PCM (1.4 Kbyte). FUZZYSTUDIO ™ 2.0 is a powerful development environment consisting of board and software al- lows an easy configuration and use of W.A.R.P.2.0. Note: nc = Not Connected. 2/28 W.A.R.P.2.0 |
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