Philips SemiconductorsUser’s Manual - Preliminary -

 

GENERAL DESCRIPTION

P89LPC901/902/903

 

 

 

Logic Symbols

 

 

 

VDD VSS

KBI4

KBI5

CLKOUT

CIN1A

CMPREF

XTAL2

XTAL1

PORT3 PORT0

P89

LPC901

PORT1

RST

T0

VDD VSS

KBI4

 

 

 

CIN1A

KBI5

 

 

 

CMPREF

KBI6

 

 

 

CMP1

KBI2

 

 

 

CIN2A

KBI0

 

 

 

CMP2

 

 

 

PORT0

P89

LPC902

PORT1

RST

KBI4

 

CIN1A

KBI5

 

CMPREF

KBI2

 

CIN2A

 

PORT0

VDD VSS

P89

PORT1

LPC903

RST

RxD

TxD

Product comparison

The following table highlights differences between these three devices.

Part number

Ext crystal

X2 clkout

T0 PWM output

CMP1 input

CMP2 input

CMP Ref

CMP1 & CMP2

UART

 

 

pins

Input

outputs

TxD

RxD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P89LPC901

Y

Y

Y

Y

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

P89LPC902

 

 

 

Y

Y

Y

Y

 

 

 

 

 

 

 

 

 

 

 

 

P89LPC903

 

 

 

Y

Y

Y

 

Y

Y

 

 

 

 

 

 

 

 

 

 

2003 Dec 8

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Philips P89LPC902, P89LPC901, P89LPC903 user manual Product comparison, Logic Symbols

P89LPC903, P89LPC902, P89LPC901 specifications

The Philips P89LPC901, P89LPC902, and P89LPC903 are a series of 8-bit microcontrollers designed for embedded system applications. These models, which belong to the LPC900 series, are notable for their affordability and versatility, making them an attractive choice for both hobbyists and professional developers.

One of the core features of the P89LPC901, P89LPC902, and P89LPC903 microcontrollers is their powerful 8-bit architecture. Operating at clock speeds up to 20 MHz, they deliver efficient performance suited for a range of tasks. Each model includes a comprehensive instruction set that supports various data manipulation and arithmetic functions, enabling extensive programming capabilities.

These microcontrollers come with built-in memory, with configurations that vary among the three models. The P89LPC901 typically features 4 KB of Flash memory and 256 bytes of RAM, while the P89LPC902 and P89LPC903 offer enhanced memory options. This Flash memory allows for reprogrammability, making it easier to update and modify applications as needed.

Another significant characteristic of the LPC900 series is their integrated peripherals. These models are equipped with a variety of I/O ports, allowing for easy interfacing with other devices and components. The P89LPC901 supports up to 32 I/O pins, while the P89LPC902 and P89LPC903 provide additional features such as analog-to-digital converters (ADCs), timers, and serial communication interfaces. This broad range of peripherals empowers developers to design complex applications without needing extra hardware.

Power consumption is also a key consideration for microcontroller applications. The P89LPC901, P89LPC902, and P89LPC903 are designed with low power consumption in mind, making them ideal for battery-operated devices and energy-efficient projects. They can operate in various power modes, allowing for greater flexibility in deployment.

In terms of technology, these microcontrollers utilize advanced CMOS technology, ensuring high reliability and durability. Their design offers a robust solution for numerous applications, including consumer electronics, industrial controls, and automation systems.

In summary, the Philips P89LPC901, P89LPC902, and P89LPC903 microcontrollers present an attractive combination of performance, integrated peripherals, low power consumption, and versatility. Their features cater to a wide array of applications, keeping them relevant in a rapidly evolving technology landscape. For hobbyists and professionals alike, these microcontrollers represent a reliable foundation for embedded system development.