LPC3250 datasheet(4/73 Pages) NXP

Part #	LPC3250

Description	16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 73 page

LPC3220_30_40_50_1

Preliminary data sheet

Rev. 01 — 6 February 2009

4 of 73

NXP Semiconductors

LPC3220/30/40/50

16/32-bit ARM microcontrollers

5.

Block diagram

Fig 1.

Block diagram of LPC3220/30/40/50

ARM

9EJS

D-CACHE

32 kB

I-CACHE

32 kB

DATA

INSTRUCTION

ethernet

PHY

interface

USB

transceiver

interface

LCD

panel

interface

EXTERNAL

MEMORY

CONTROLLER

ROM

16 kB

SRAM

256 kB

USB

DMA

ETB

SDRAM

STANDARD

UART

× 4

I2C

× 2

TIMERS

× 6

WATCHDOG

TIMER

DEBUG

SYSTEM

CONTROL

HS UART

× 3

KEY

SCANNER

10-BIT

ADC/TS

UART

CONTROL

RTC

PWM

× 2

GPIO

M1

M0

AHB

TO

APB

BRIDGE

AHB

TO

APB

BRIDGE

AHB

TO

APB

BRIDGE

master layer

01

2

3

4

5

6

slave port

0

1

7

6

5

3

2

= Master/Slave connection supported

by the multilayer AHB matrix

32 bit, AHB matrix

APB slaves

FAB slaves

AHB slaves

APB slaves

port 3

port 4

port 0

32-bit wide

external

memory

ETB

ETM 9

VFP9

LCD

ETHERNET

MOTOR

CONTROL PWM

002aae397

MMU

D-SIDE

CONTROLLER

I-SIDE

CONTROLLER

DMA

CONTROLLER

ETHERNET

10/100

MAC

USB OTG

CONTROLLER

LCD

CONTROLLER

MLC

NAND

SLC

NAND

SD

CARD

SPI

× 2

I2S

× 2

SSP

× 2

INTERRUPT

CONTROL

register interfaces

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