• Microchip
  • Many applications
  • Useful development tools
  • Wide range of inexpensive products
• Characteristics of PIC processors
  • Microcontrollers (µC)
  • Range of word sizes for data
  • Harvard architecture
    • Program data
      • Doesn’t change during execution
      • Could be downloaded with programmer
      • Could be downloaded on a Microstick
      • Could be manufactured with a specific program (ROM)
      • Could be one-time-programmable (OTP)
      • Has its own word and memory size
    • Data memory
      • Called registers in less expensize chips
      • Many special function file registers
      • Little-endian
  • accumulator (W register)
  • “simple” instruction set
• PIC Families
• PIC24HJ32GP202/204 and PIC24HJ16GP304 (guided tour)
  • Packaging (pp. 3-5)
    • SDIP
    • SOIC
    • QFN
    • TQFP
  • Data path (p. 10)
  • Pin descriptions (pp. 11-12)
  • Minimum configuration (Figure 2-1, p. 14)
  • Programmer’s view (p. 19)
  • Status register (p. 21)
    • Notice the N, OV, Z, and C bits
  • Program memory (Figure 4-1, p. 25)
  • Data memory (Figure 4-3, p. 28)
  • Special Function File Registers (pp. 29-39)
  • I/O port (Figure 10-1, p. 105)
  • Instruction set (Chapter 20, pp. 187-193)
  • Instruction format