Reading the Fuses and Lock Bits

  1. Enter JTAG instruction PROG_COMMANDS.
  2. Enable Fuse/Lock bit read using programming instruction 8a.
    • To read all Fuses and Lock bits, use programming instruction 8f.
    • To only read Extended Fuse byte, use programming instruction 8b.
    • To only read Fuse high byte, use programming instruction 8c.
    • To only read Fuse low byte, use programming instruction 8d.
    • To only read Lock bits, use programming instruction 8e.