Datasheet

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LPC185X_3X_2X_1X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.

Product data sheet Rev. 4.1 — 6 May 2014 65 of 148

NXP Semiconductors

LPC185x/3x/2x/1x

32-bit ARM Cortex-M3 microcontroller

7.12 Memory mapping

Fig 7. LPC185x/3x/2x/1x Memory mapping (overview)

reserved

peripheral bit band alias region

reserved

reserved

high-speed GPIO

reserved

0x0000 0000

0 GB

1 GB

4 GB

0x2200 0000

0x2400 0000

0x2800 0000

0x1000 0000

0x3000 0000

0x4000 0000

0x4001 2000

0x4004 0000

0x4005 0000

0x4010 0000

0x4400 0000

0x6000 0000

AHB peripherals

APB peripherals #0

APB peripherals #1

reserved

reserved

reserved

RTC domain peripherals

0x4006 0000

0x4008 0000

0x4009 0000

0x400A 0000

0x400B 0000

0x400C 0000

0x400D 0000

0x400E 0000

0x400F 0000

0x400F 1000

0x400F 2000

0x400F 4000

0x400F 8000

clocking/reset peripherals

APB peripherals #2

APB peripherals #3

4 x 16 kB AHB SRAM

reserved

reserved

0x4010 1000

0x4010 2000

0x4200 0000

reserved

local SRAM/flash/SPIFI data/ROM

external static memory banks

0x2000 0000

0x2001 0000

0x2004 0000

0x2004 4000

128 MB dynamic external memory DYCS0

256 MB dynamic external memory DYCS1

256 MB dynamic external memory DYCS2

256 MB dynamic external memory DYCS3

0x7000 0000

0x8000 0000

0x8800 0000

0xE000 0000

256 MB shadow memory area

LPC185x/3x/2x/1x

0x1000 0000

0x1000 8000

0x1008 0000

0x1008 A000

0x1040 0000

0x1041 0000

0x1C00 0000

0x1D00 0000

reserved

reserved

32 MB AHB SRAM bit banding

reserved

reserved

reserved

0xE010 0000

0xFFFF FFFF

reserved

128 MB SPIFI data

ARM private bus

reserved

32 kB local SRAM

32 kB + 8 kB local SRAM

reserved

reserved

reserved

reserved

reserved

reserved

64 kB ROM

0x1E00 0000

0x1F00 0000

0x2000 0000

16 MB static external memory CS3

16 MB static external memory CS2

16 MB static external memory CS1

16 MB static external memory CS0

0x1400 0000

0x1800 0000

0x1A00 0000

256 kB flash A

0x1A04 0000

256 kB flash A

0x1A08 0000

0x1B00 0000

256 kB flash B

0x1B04 0000

256 kB flash B

0x1B08 0000

64 MB SPIFI data

002aag545

16 kB EEPROM memory

reserved