Figure 2–9, Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual

Page 25

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UM10237_4

© NXP B.V. 2009. All rights reserved.

User manual

Rev. 04 — 26 August 2009

25 of 792

NXP Semiconductors

UM10237

Chapter 2: LPC24XX Memory mapping

read/fetch from 0x0000 0008 will provide data stored in 0x4000 0008. In case of
MEMMAP[1:0] = 00 (Boot Loader Mode), read/fetch from 0x0000 0008 will provide data
available also at 0x7FFF E008 (Boot ROM remapped from on-chip Bootloader).

Fig 9.

Map of lower memory is showing re-mapped and re-mappable areas for a
LPC2400 part with flash

0.0 GB

0x8000 0000

0x4000 0000
0x3FFF FFFF

0x0000 0000

1.0 GB

2.0 GB - 8 kB

2.0 GB

ACTIVE INTERRUPT VECTORS

(FROM FLASH, SRAM, BOOT ROM, OR EXT MEMORY)

BOOT FLASH

RESERVED ADDRESS SPACE

(SRAM INTERRUPT VECTORS)

512 kB FLASH MEMORY

RESERVED FOR ADDRESS SPACE

(BOOT ROM INTERRUPT VECTORS)

8 kB BOOT ROM

64 kB STATIC RAM

0x7FFF FFFF

FAST GPIO REGISTERS

PARTCFG REGISTERS

0x3FFF 8000

0x3FFF C000

0x3FFF BFFF

8 kB BOOT FLASH

(RE-MAPPED FROM TOP OF FLASH MEMORY)

EXTERNAL MEMORY INTERRUPT VECTORS

0x7FFF E000
0x7FFE FFFF

0x7FFE E000

2.0 GB - 64 kB

2.0 GB - 72 kB

0x0007 FFFF

0x0008 0000

0x4001 0000

0x4000 FFFF

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