hp_clj2820.txt

HP ColorLaserJet 2820/2840 Memory map

CPU : Motorola/Freescale ColdFire v 4e 264 MHz

  Offset Type content
00000000 ROM? out00_chunk.bin
00010000 ROM? out01_chunk
???????? ???? out02_chunk
80000000 RAM  96MB to 224MB

where is the 32KB onchip SRAM ?  MOVEC $C04

offset 0000-0400 = interrupt vector table :
http://www.cse.dmu.ac.uk/~sexton/WWWPages/exceptions.html

   Vector      Address       Exception

        0       000000  RESET-Initial SSP
        1       000004  RESET-Initial PC
        2       000008  Bus error
        3       00000C  Address error
        4       000010  Illegal instruction
        5       000014  Division by zero
        6       000018  CHK instruction
        7       00001C  TRAPV instruction
        8       000020  Privilege violation
        9       000024  Trace
        10      000028  Unimplemented instruction
        11      00002C  Unimplemented instruction
        12      000030  
        13      000034     Reserved by Motorola
        14      000038  
        15      00003C  Uninitialised interrupt vector
        16      000040  Reserved by Motorola
        ..      ......     "     "     "
        23      00005C     "     "     "
        24      000060  Spurious interrupt
        25      000064  Level 1 interrupt autovector
        26      000068    "   2     "         "
        27      00006C    "   3     "         "
        28      000070    "   4     "         "
        29      000074    "   5     "         "
        30      000078    "   6     "         "
        31      00007C    "   7     "         "
        32      000080  TRAP #0 instruction
        33      000084   "   #1      "
        ..      ......   "           "
        47      0000BC  TRAP #15     "
        48      0000C0  Reserved by Motorola
        ..      ......     "     "     "
        63      0000FC     "     "     "
        64      000100  User interrupt vectors
        ..      ......   "       "        "
        255     0003FF   "       "        "