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用PIC17C42实现数字滤波器的实例
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2009-06-29
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This application note describes the implementation of
various digital filters using the PIC17C42, the first
member of Microchip’s 2nd generation of 8-bit
microcontrollers. The PIC17C42 is a very high speed
8-bit microcontroller with an instruction cycle time of
250 ns (@ 16 MHz input clock). Even though the
PIC17C42 is an 8-bit device, it’s high speed and efficient
instruction set allows implementation of digital filters
for practical applications. Traditionally digital filters
have been implemented using expensive Digital Signal
Processors (DSPs). In a system the DSP is normally a
slave processor being controlled by either an 8-bit or
16-bit microcontroller. Where sampling rates are not
high (especially in mechanical control systems), a single
chip solution is possible using the PIC17C42.
various digital filters using the PIC17C42, the first
member of Microchip’s 2nd generation of 8-bit
microcontrollers. The PIC17C42 is a very high speed
8-bit microcontroller with an instruction cycle time of
250 ns (@ 16 MHz input clock). Even though the
PIC17C42 is an 8-bit device, it’s high speed and efficient
instruction set allows implementation of digital filters
for practical applications. Traditionally digital filters
have been implemented using expensive Digital Signal
Processors (DSPs). In a system the DSP is normally a
slave processor being controlled by either an 8-bit or
16-bit microcontroller. Where sampling rates are not
high (especially in mechanical control systems), a single
chip solution is possible using the PIC17C42.
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