MC9S12DB Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC9S12DB

HCS12DB Family Product Proposal

Motorola => Freescale 

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

For More Information On This Product,

Go to: www.freescale.com

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