Philips SemiconductorsUser’s Manual - Preliminary -

 

GENERAL DESCRIPTION

 

 

 

 

 

 

P89LPC901/902/903

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name

Description

SFR

 

 

 

Bit Functions and Addresses

 

 

 

Reset Value

 

Address

MSB

 

 

 

 

 

 

 

 

LSB

 

Hex

 

Binary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP0H#

Interrupt Priority 0 High

B7H

-

PWDRT

PBOH

-

PT1H

-

PT0H

-

 

00H1

 

x0000000

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FF

FE

 

FD

FC

FB

FA

F9

F8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00H1

 

00x00000

 

IP1*#

Interrupt Priority 1

F8H

-

-

-

 

-

-

PC

PKBI

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00H1

 

00x00000

 

IP1H#

Interrupt Priority 1 High

F7H

-

-

-

 

-

-

PCH

PKBIH

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KBCON#

Keypad Control Register

94H

-

-

-

 

-

-

-

PATN_S

KBIF

 

00H1

 

xxxxxx00

 

 

 

 

 

 

 

 

 

 

 

 

EL

 

 

 

 

 

 

KBMASK#

Keypad Interrupt Mask Register

86H

 

 

 

 

 

 

 

 

 

 

 

00H

 

00000000

 

KBPATN#

Keypad Pattern Register

93H

 

 

 

 

 

 

 

 

 

 

 

FFH

 

11111111

 

 

 

 

87

86

85

 

84

83

82

81

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P0*

Port 0

80H

-

-

CMPREF/

CIN1A/

-

-

-

-

 

 

Note 1

 

 

KB5

KB4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

97

96

95

 

94

93

92

91

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1*

Port 1

90H

-

-

 

 

 

-

-

T0

-

-

 

 

 

 

RST

 

 

 

 

 

 

 

 

B7

B6

 

B5

B4

B3

B2

B1

B0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P3*

Port 3

B0H

-

-

-

 

-

-

-

XTAL1

XTAL2

 

 

Note 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P0M1#

Port 0 Output Mode 1

84H

-

-

(P0M1.5)

(P0M1.4)

-

-

-

-

 

FFH

 

11111111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P0M2#

Port 0 Output Mode 2

85H

-

-

(P0M2.5)

(P0M2.4)

-

-

-

-

 

00H

 

00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

FFH1

11111111

 

P1M1#

Port 1 Output Mode 1

91H

-

-

(P1M1.5)

-

-

(P1M1.2)

-

-

 

 

P1M2#

Port 1 Output Mode 2

92H

-

-

(P1M2.5)

-

-

(P1M2.2)

-

-

 

00H1

 

00000000

 

P3M1#

Port 3 Output Mode 1

B1H

-

-

-

 

-

-

-

(P3M1.1)

(P3M1.0)

 

03H1

 

xxxxxx11

 

P3M2#

Port 3 Output Mode 2

B2H

-

-

-

 

-

-

-

(P3M2.1)

(P3M2.0)

 

00H1

 

xxxxxx00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCON#

Power Control Register

87H

-

-

BOPD

BOI

GF1

GF0

PMOD1

PMOD0

 

00H

 

00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

00H1

 

00000000

 

PCONA#

Power Control Register A

B5H

RTCPD

-

VCPD

-

-

-

-

-

 

 

 

 

 

 

D7

D6

 

D5

D4

D3

D2

D1

D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PSW*

Program Status Word

D0H

CY

AC

 

F0

RS1

RS0

OV

F1

P

 

00H

 

00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PT0AD#

Port 0 Digital Input Disable

F6H

-

-

PT0AD.5

PT0AD.4

-

-

-

-

 

00H

 

xx00000x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RSTSRC#

Reset Source Register

DFH

-

-

BOF

POF

-

R_WD

R_SF

R_EX

 

 

Note 2

 

 

 

 

 

 

 

 

 

 

 

 

 

60H1,5

011xxx00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTCCON#

Real-Time Clock Control

D1H

RTCF

RTCS1

RTCS0

-

-

-

ERTC

RTCEN

 

 

RTCH#

Real-Time Clock Register High

D2H

 

 

 

 

 

 

 

 

 

 

 

00H5

 

00000000

 

RTCL#

Real-Time Clock Register Low

D3H

 

 

 

 

 

 

 

 

 

 

 

00H5

 

00000000

SP

Stack Pointer

81H

07H 00000111

TAMOD# Timer 0 Auxiliary Mode

8FH

-

-

-

-

-

-

-

T0M2

00H xxx0xxx0

2003 Dec 8

17

Page 17
Image 17
Philips P89LPC902, P89LPC901, P89LPC903 user manual Bit Functions and Addresses

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.