P87C554 datasheet(9/77 Pages) PHILIPS

Part #	P87C554

Description	80C51 8-bit microcontroller - 12 clock operation 16K/512 OTP/RAM 8 channel 10-bit A/D, I2C, PWM, capture/compare, high I/O

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product data

P87C554

80C51 8-bit microcontroller – 12 clock operation

16K/512 OTP/RAM, 8 channel 10-bit A/D, I2C, PWM,

capture/compare, high I/O

2002 Mar 25

7

SYMBOL

RESET

VALUE

BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION

MSB

LSB

DIRECT

ADDRESS

DESCRIPTION

P1M1

Port 1 output mode 1

92H

xx000000B

P1M2

Port 1 output mode 2

93H

xx000000B

P2M1

Port 2 output mode 1

94H

00H

P2M2

Port 2 output mode 2

95H

00H

P3M1

Port 3 output mode 1

9AH

00H

P3M2

Port 3 output mode 2

9BH

00H

P4M1

Port 4 output mode 1

9CH

00H

P4M2

Port 4 output mode 2

9DH

00H

PCON

Power control

87H

SMOD1

SMOD0

POF

WLE

GF1

GFO

PD

IDL

00x00000B

PSW

Program status word

D0H

CY

AC

FO

RS1

RS0

OV

F1

P

00H

PWMP#

PWM prescaler

FEH

00H

PWM1#

PWM register 1

FDH

00H

PWM0#

PWM register 0

FCH

00H

RTE#

Reset/toggle enable

EFH

TP47

TP46

RP45

RP44

RP43

RP42

RP41

RP40

00H

S0ADDR

Serial 0 slave address

F9H

00H

S0ADEN

Slave address mask

B9H

00H

S0BUF

Serial 0 data buffer

99H

xxxxxxxxB

9F

9E

9D

9C

9B

9A

99

98

S0CON*

Serial 0 control

98H

SM0/FE

SM1

SM2

REN

TB8

RB8

TI

RI

00H

S1ADR#

Serial 1 address

DBH

SLAVE ADDRESS

GC

00H

SIDAT#

Serial 1 data

DAH

00H

S1STA#

Serial 1 status

D9H

SC4

SC3

SC2

SC1

SC0

0

F8H

DF

DE

DD

DC

DB

DA

D9

D8

SICON#*

Serial 1 control

D8H

CR2

ENS1

STA

ST0

SI

AA

CR1

CR0

00H

SP

Stack pointer

81H

07H

STE#

Set enable

EEH

TG47

TG46

SP45

SP44

SP43

SP42

SP41

SP40

C0H

TH1

TH0

TL1

TL0

TMH2#

TML2#

Timer high 1

Timer high 0

Timer low 1

Timer low 0

Timer high 2

Timer low 2

8DH

8CH

8BH

8AH

EDH

ECH

00H

TMOD

Timer mode

89H

GATE

C/T

M1

M0

GATE

C/T

M1

M0

00H

8F

8E

8D

8C

8B

8A

89

88

TCON*

Timer control

88H

TF1

TR1

TF0

TR0

IE1

IT1

IE0

IT0

00H

TM2CON#

Timer 2 control

EAH

T2IS1

T2IS0

T2ER

T2B0

T2P1

T2P0

T2MS1

T2MS0

00H

CF

CE

CD

CC

CB

CA

C9

C8

TM2IR#*

Timer 2 int flag reg

C8H

T20V

CMI2

CMI1

CMI0

CTI3

CTI2

CTI1

CTI0

00H

T3#

Timer 3

FFH

00H

*

SFRs are bit addressable.

#

SFRs are modified from or added to the 80C51 SFRs.

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