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Advantages of PIC 18 Series over PIC 16 series

This is the common question that what are the advantages of PIC 18 Series over PIC 16 series ? Why should we use PIC 18 rather PIC 16 ? Those question’s answer will be cleared if we know similarity and dissimilarity between both.

Lets start, the PIC 18 Series  micro-controllers dramatically enhance the PIC core by making it suitable for advanced embedded projects. Despite many features which are new, it has been designed to make upwards migration from a 16 Series device easy. So that the designer making this move will find many things which are familiar. Now to know the main advantages of PIC 18, in bellow i give some point which is similar and new advantages in pic 18 over pic 16.

Advantages of PIC 18 Series over PIC 16 series

Similar to 16 Series
  • RISC (Reduced Instruction Set Computer), pipelined, 8-bit CPU, with single Working (W) and Status registers.
  • Many peripherals identical or very similar.
  • Similar packages and pin-outs.
  • Many Special Function Register (SFR) and bit names unchanged.
  • All but one of the 16 Series instructions are part of the 18 Series instruction set.
  • Instruction cycle made up of four oscillator cycles.
New for 18 Series
  • In 18 series set of instructions more than doubled, with 16-bit instruction word.
  • Enhanced Status register.
  • Hardware 8 × 8 multiply.
  • More external interrupts.
  • Two prioritized interrupt vectors.
  • Radically different approach to memory structures, with increased memory size.
  • Enhanced address generation for program and data memory.
  • Bigger Stack, with some user access and control.
  • Phase-locked loop (PLL) clock generator.

Advantages of PIC 18 Series over PIC 16 series

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Subham Dutta

Subham Dutta

Hi myself Subham Dutta, having 15+ years experience in filed of Engineering. I love to teach and try to build foundation of students. Try to make them imagine what they learn.

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