MC68HC12 Datasheet, PDF (100/478 Pages) Motorola, Inc – The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit

Resource Mapping
6.7 Memory Maps
The following diagrams illustrate the memory map for each mode of
operation immediately after reset.
$0000
$0400
$0800
$1000
$2000
$4000
$0000
$03FF
REGISTERS
(MAPPABLE TO ANY 2K SPACE)
$0800
$0FFF
2K bytes EEPROM
(MAPPABLE TO ANY 4K SPACE)
$2000
$3FFF
8K bytes RAM
(MAPPABLE TO ANY 8K SPACE)
$4000
16K Fixed Flash EEPROM
$8000
EXT
$C000
$8000
$BFFF
$C000
16K Page Window
Eight 16K Flash EEPROM pages
$A000 - $BFFF Protected BOOT
at odd programing pages
16K Fixed Flash EEPROM
$E000 - $FFFF Protected BOOT
$FFFF
$FF00
$FFFF
VECTORS
NORMAL
SINGLE CHIP
VECTORS
EXPANDED
VECTORS
SPECIAL
SINGLE CHIP
$FF00
$FFFF
BDM
(if active)
Figure 6-1. MC68HC912DT128A Memory Map after reset
The following diagram illustrates the memory paging scheme.
Technical Data
100
Resource Mapping
MC68HC912DT128A — Rev 4.0
MOTOROLA