MC9S12DB Datasheet, PDF (9/12 Pages) Motorola, Inc – HCS12DB Family Product Proposal

Freescale Semiconductor, Inc.
HCS12DBFAMILYPP/D
Pin Out Explanations:
$0000
$0400
$0800
$1000
$2000
$4000
$0000 1K Register Space
$03FF
$0800
Mappable to any 2K Boundary
2K Bytes EEPROM
$0FFF Mappable to any 2K Boundary
$2000 8K Bytes RAM
$3FFF Mappable to any 8K Boundary
$4000 _{0.5K, 1K, 2K or 4K Protected Sector}
$8000
EXT
$C000
$FF00
$FFFF
VECTORS
NORMAL
SINGLE CHIP
VECTORS
EXPANDED
VECTORS
SPECIAL
SINGLE CHIP
The address does not show the map after reset, but a useful map. After reset the map is:
$0000 - $03FF: Register Space
$0000 - $1FFF: 8K RAM
$0000 - $07FF: 2K EEPROM (not visible)
16K Fixed Flash EEPROM
$7FFF
$8000
16K Page Window
Eight * 16K Flash EEPROM Pages
$BFFF
$C000 _{16K Fixed Flash EEPROM}
$FFFF
$FF00
$FFFF
2K, 4K, 8K or 16K Protected Boot Sector
BDM
(If Active)
Figure 5. MC9S12DB128 User Configurable Memory Map
MOTOROLA
HCS12DB Family Product Proposal
9
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