Freescale Semiconductor, Inc.
Operating Modes
Memory Maps
5.6 Memory Maps
The following diagrams illustrate the memory map for each mode of
operation immediately after reset.
$0000
REGISTERS
(MAPPABLE TO ANY 2K SPACE)
$03FF
$0000
$0400
$0800
2K bytes EEPROM
(MAPPABLE TO ANY 4K SPACE)
$0FFF
$0800
$1000
$2000
$2000
8K bytes RAM
(MAPPABLE TO ANY 8K SPACE)
$3FFF
$4000
$4000
16K Fixed Flash EEPROM
16K Page Window
$8000
Eight 16K Flash EEPROM pages
$8000
$C000
EXT
$A000 - $BFFF Protected BOOT
at odd programing pages
$BFFF
$C000
16K Fixed Flash EEPROM
$E000 - $FFFF Protected BOOT
$FFFF
$FF00
$FFFF
BDM
(if active)
$FF00
VECTORS
$FFFF
VECTORS
VECTORS
NORMAL
EXPANDED
SPECIAL
SINGLE CHIP
SINGLE CHIP
Figure 5-1. Memory Map after reset
The following diagram illustrates the memory paging scheme.
MC68HC912DG128 — Rev 3.0
Technical Data
Operating Modes
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