LPC546xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Memory space
AHB peripherals
0xFFFF FFFF
0xE010 0000
0xE000 0000
0x8000 0000
0x4400 0000
(reserved)
private peripheral bus
(EMC)
0x4010 BFFF
0x4010 8000
0x4010 2000
0x4010 0000
0x400A 5000
0x400A 4000
0x400A 3000
0x400A 2000
0x400A 1000
0x400A 0000
0x4009 E000
0x4009 D000
0x4009 C000
0x4009 B000
0x4009 A000
0x4009 9000
0x4009 8000
0x4009 7000
0x4009 6000
0x4009 5000
0x4009 4000
0x4009 2000
0x4009 1000
0x4009 0000
0x4008 C000
0x4008 B000
0x4008 A000
0x4008 9000
0x4008 8000
0x4008 7000
0x4008 6000
0x4008 5000
0x4008 4000
0x4008 3000
0x4008 2000
0x4008 1000
0x4008 0000
EPROM (16 kB)
(reserved)
USB SRAM (8 kB)
(reserved)
(reserved)
peripheral
bit-band addressing
(reserved)
0x4200 0000
0x400C 0000
HS USB host registers
(reserved)
FS USB host registers
SHA registers
ADC
AHB
peripheral
0x4008 0000
0x4006 0000
(reserved)
CAN 1
Asynchronous
APB peripherals
CAN 0
0x4004 0000
0x4002 0000
see APB
memory
map figure
ISP-AP interface
SDIO
APB peripherals on
APB bridge 1
Flexcomm 9
Flexcomm 8
APB peripherals on
APB bridge 0
0x4000 0000
0x2400 0000
(reserved)
Flexcomm 7
Flexcomm 6
SRAM bit-band
addressing
Flexcomm 5
0x2200 0000
0x2002 0000
(reserved)
CRC engine
HS USB device
Ethernet
SRAM2
(up to 32 kB)
0x2002 0000
0x2001 0000
(reserved)
SRAM1
(up to 64 kB)
D-Mic interface
High Speed GPIO
(reserved)
SRAM0
(up to 64 kB)
0x2000 0000
0x1800 0000
(reserved)
Flexcomm 4
SPIFI Flash Interface
memory mapped space
Flexcomm 3
Flexcomm 2
0x1000 0000
0x0401 0000
(reserved)
Flexcomm 1
SRAMX
(32 kB)
Flexcomm 0
SC Timer / PWM
FS USB device registers
0x0400 0000
(reserved)
Boot ROM
(reserved)
0x0300 0000
0x0300 0000
0x0008 0000
LCD registers
DMA registers
EMC registers
SPIFI registers
Flash memory
(up to 512 kB)
0x0000 0000
0x0000 00C0
0x0000 0000
active interrupt vectors
aaa-029365
The private peripheral bus includes CPU peripherals such as the NVIC, SysTick, and the core control registers.
Fig 9. LPC546xx Memory mapping
LPC546xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 2.5 — 20 June 2018
59 of 169
NXP [ NXP ]
