Philips Semiconductors

LPC2114/LPC2124

Single-chip 16/32-bit microcontrollers

Product data

Rev. 03 — 22 December 2004

3 of 34

9397 750 13145

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

4.

Block diagram

(1) When test/debug interface is used, GPIO/other functions sharing these pins are not available.

Fig 1.

Block diagram.

INTERNAL

FLASH

CONTROLLER

002aaa659

AHB BRIDGE

TEST/DEBUG

INTERFACE

AHB

DECODER

AHB TO VPB

BRIDGE

VPB

DIVIDER

VECTORED INTERRUPT

CONTROLLER

SYSTEM

FUNCTIONS

PLL

system

clock

SCL*

P0 (30 PINS)

P1.31:16

Ain3:0*

SDA*

SCK*

MOSI*

MISO*

EINT0*

EINT1*

EINT2*

EINT3*

8 x CAP*

8 x MAT*

PWM1..6*

SSEL*

TxD0,1*

RxD0,1*

MODEM CONTROL

(6 PINS)*

SPI SERIAL

INTERFACE 0 & 1

I2C SERIAL

INTERFACE

UART0/UART1

REAL TIME CLOCK

WATCHDOG

TIMER

SYSTEM

CONTROL

EXTERNAL

INTERRUPTS

GENERAL

PURPOSE I/O

CAPTURE/

COMPARE

TIMER0/TIMER1

PWM0

10-BIT

A/D CONVERTER

AMBA AHB

(Advanced High-performance Bus)

128/256 kB

FLASH

ARM7TDMI-S

INTERNAL SRAM

CONTROLLER

16 kB

SRAM

ARM7 LOCAL BUS

APB

*Shared with GPIO