LPC2157 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

LPC2157

Single-chip 16-bit/32-bit microcontrollers; 512 kB flash, with 32 segment x 4 LCD driver

Philips Electronics 

NXP Semiconductors

LPC2157/2158

Single-chip 16-bit/32-bit microcontrollers

TMS(1) TDI(1)

TRST(1) TCK(1) TDO(1)

XTAL2

XTAL1 RESET

P1[31:25],

P1[17:16]

P0[31:28],

P0[27:26](3)

P0[25],

P0[23:0]

LPC2157/2158

FAST GENERAL

PURPOSE I/O

ARM7 local bus

TEST/DEBUG

INTERFACE

ARM7TDMI-S

AHB BRIDGE

INTERNAL

SRAM

CONTROLLER

INTERNAL

FLASH

CONTROLLER

PLL0

system

clock

PLL1

SYSTEM

FUNCTIONS

USB

clock

VECTORED

INTERRUPT

CONTROLLER

AMBA AHB

(Advanced High-performance Bus)

EINT3 to

EINT0

4 × CAP0

4 × CAP1

8 × MAT0

8 × MAT1

AD0[7:6],

AD0[5](3)

AD0[0](3)

AD0[4:1]

AD1[7:0]

AOUT

P0[31:28] and

P0[25:0]

P1[31:16]

PWM[6:1]

32 kB

SRAM

512 kB

FLASH

EXTERNAL

INTERRUPTS

CAPTURE/COMPARE

(W/EXTERNAL CLOCK)

TIMER 0/TIMER 1

A/D CONVERTERS

0 AND 1

D/A CONVERTER

GENERAL

PURPOSE I/O

PWM0

AHB TO APB APB

BRIDGE DIVIDER

8 kB RAM

SHARED WITH

USB DMA(2)

AHB

DECODER

APB (advanced

peripheral bus)

USB 2.0 FULL-SPEED

DEVICE CONTROLLER

WITH DMA(2)

I2C-BUS SERIAL

INTERFACES 0 AND 1

SPI AND SSP

SERIAL INTERFACES

UART0/UART1

REAL-TIME CLOCK

WATCHDOG

TIMER

D+

D−

UP_LED

CONNECT

VBUS

SCL0, SCL1

SDA0, SDA1

SCK0, SCK1

MOSI0, MOSI1

MISO0, MISO1

SSEL0, SSEL1

TXD0, TXD1

RXD0, RXD1

DSR1,CTS1,

RTS1, DTR1,

DCD1,RI1

RTCX1

RTCX2

VBAT

SYSTEM

CONTROL

002aad384

(1) Pins shared with GPIO.

(2) USB DMA controller with 8 kB of RAM accessible as general purpose RAM and/or DMA is available in LPC2158 only.

(3) LPC2157 only.

Fig 2. Microcontroller section block diagram

LPC2157_2158_1

Product data sheet

Rev. 01 — 15 October 2008

© NXP B.V. 2008. All rights reserved.

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