Figure 1-4, Flash erase sector size is 1024 bytes – Motorola MC9S12GC-Family User Manual

Page 31

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Device User Guide — 9S12C128DGV1/D V01.05

31

Figure 1-4 MC9S12C64 and MC9S12GC64 User Configurable Memory Map

$0000

$FFFF

$C000

$8000

$4000

$0400

$FF00

EXT

NORMAL

SINGLE CHIP

EXPANDED

SPECIAL

SINGLE CHIP

VECTORS

VECTORS

$FF00

$FFFF

BDM
(If Active)

$C000

$FFFF

16K Fixed Flash EEPROM

$8000

$BFFF

16K Page Window
4 * 16K Flash EEPROM Pages

$4000

$7FFF

16K Fixed Flash EEPROM

$3000

$3FFF

$0000

$03FF

1K Register Space

Mappable to any 2K Boundary

Mappable to any 4K Boundary

4K Bytes RAM

$3000

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

$0000 - $03FF: Register Space

$0000 - $0FFF: 4K RAM (only 3K visible $0400 - $0FFF)

$0000

$3FFF

16K Fixed Flash EEPROM

VECTORS

Flash Erase Sector Size is 1024 Bytes

PAGE MAP

$3E

$3F

PPAGE

$3D

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