LPC2131 datasheet(14/39 Pages) NXP

14 / 39 page

LPC2131_32_34_36_38_4

Product data sheet

Rev. 04 — 16 October 2007

14 of 39

NXP Semiconductors

LPC2131/32/34/36/38

Single-chip 16/32-bit microcontrollers

6.4 Memory map

The LPC2131/32/34/36/38 memory map incorporates several distinct regions, as shown

in Figure 6.

In addition, the CPU interrupt vectors may be re-mapped to allow them to reside in either

ﬂash memory (the default) or on-chip static RAM. This is described in Section 6.18

“System control”.

Fig 6.

LPC2131/32/34/36/38 memory map

AHB PERIPHERALS

VPB PERIPHERALS

RESERVED ADDRESS SPACE

BOOT BLOCK (RE-MAPPED FROM

ON-CHIP FLASH MEMORY

RESERVED ADDRESS SPACE

TOTAL OF 32 kB ON-CHIP STATIC RAM (LPC2136/38)

TOTAL OF 16 kB ON-CHIP STATIC RAM (LPC2132/34)

TOTAL OF 8 kB ON-CHIP STATIC RAM (LPC2131)

TOTAL OF 512 kB ON-CHIP NON-VOLATILE MEMORY

(LPC2138)

TOTAL OF 256 kB ON-CHIP NON-VOLATILE MEMORY

(LPC2136)

TOTAL OF 128 kB ON-CHIP NON-VOLATILE MEMORY

(LPC2134)

0xFFFF FFFF

0xF000 0000

0xE000 0000

0xC000 0000

0x8000 0000

0x4000 4000

0x4000 3FFF

0x4000 2000

0x4000 1FFF

0x4001 8000

0x4000 7FFF

0x4000 0000

0x0004 0000

0x0003 FFFF

0x0002 0000

0x0001 FFFF

0x0008 0000

0x0007 FFFF

0x0001 0000

4.0 GB

3.75 GB

3.5 GB

3.0 GB

2.0 GB

1.0 GB

TOTAL OF 64 kB ON-CHIP NON-VOLATILE MEMORY

(LPC2132)

TOTAL OF 32 kB ON-CHIP NON-VOLATILE MEMORY

(LPC2131)

0x0000 FFFF

0x0000 8000

0x0000 7FFF

0x0000 0000

0.0 GB

002aab069

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