MC9S12B256 データシートの表示（PDF） - Motorola => Freescale

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MC9S12B256

16-Bit Microcontroller

Motorola => Freescale 

Freescale Semiconductor, Inc.

$0000

$0400

$0800

$1000

$3800

$4000

Figure 5 MC9S12Bx64 User Configurable Memory Map

$0000 1K Register Space

$03FF

$0800

$0FFF

Mappable to any 2K Boundary

1K Bytes EEPROM

Repeated twice in the 2K Space

Mappable to any 2K Boundary

$3800

$3FFF

2K Bytes RAM

Mappable to any 2K Boundary

$4000 0.5K, 1K, 2K or 4K Protected Sector

$8000

EXT

$7FFF

$8000

16K Fixed Flash EEPROM

16K Page Window

four * 16K Flash EEPROM Pages

$C000

$BFFF

$C000

16K Fixed Flash EEPROM

$FFFF 2K, 4K, 8K or 16K Protected Boot Sector

$FF00

$FFFF

VECTORS

VECTORS

VECTORS

$FF00

$FFFF

BDM

(If Active)

NORMAL

SINGLE CHIP

EXPANDED

SPECIAL

SINGLE CHIP

The figure shows a useful map, which is not the map out of reset. After reset the map is:

$0000 - $03FF: Register Space

$0800 - $0FFF: 2K RAM

$0400 - $07FF: 1K EEPROM

$2000 - $3FFF: 12K Flash

MC9S12B-Family

PRODUCT BRIEF, Rev 2.7, 17F-oMraMr-0o4re Information On This Product,

Go to: www.freescale.com

MOTOROLA

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