How to implement a polynomial function on CPLD/FPGA ?
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Answer:
Assuming that both input and output are in digital form (input via ADC, and you can always use a DAC to convert a digital output to analogue form if you need), then consider a ROM. Your input is the address, the output is the data. They can be implemented in an FPGA, if you like- but that's not essential. Xilinx FPGAs let you specify ROM contents, but I'm sure other manufacturers do so as well.
paawan sharma at Yahoo! Answers Visit the source
Other answers
Assuming that both input and output are in digital form (input via ADC, and you can always use a DAC to convert a digital output to analogue form if you need), then consider a ROM. Your input is the address, the output is the data. They can be implemented in an FPGA, if you like- but that's not essential. Xilinx FPGAs let you specify ROM contents, but I'm sure other manufacturers do so as well.
Colin
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