P89LPC913 查看數據表（PDF） - Philips Electronics

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P89LPC913

8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM

Philips Electronics 

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Table 8: P89LPC913 Special function registers…continued

* indicates SFRs that are bit addressable.

Name

Description

SFR

addr.

MSB

Bit functions and addresses

LSB

Reset value

Hex Binary

Bit address D7

D6

D5

D4

D3

D2

D1

D0

PSW*

Program status word

D0H CY

AC

F0

RS1

RS0

OV

F1

P 00 00000000

PT0AD Port 0 digital input disable

F6H

-

-

PT0AD.5 PT0AD.4

-

PT0AD.2

-

-

00 xx00000x

RSTSRC Reset source register

DFH

-

-

BOF

POF

R_BK R_WD R_SF R_EX [3]

RTCCON Real-time clock control

D1H RTCF RTCS1 RTCS0

-

-

-

ERTC RTCEN 60[1][6] 011xxx00

RTCH

Real-time clock register high D2H

00[6] 00000000

RTCL

Real-time clock register low D3H

00[6] 00000000

SADDR Serial port address register

A9H

00 00000000

SADEN Serial port address enable

B9H

00 00000000

SBUF

Serial port data buffer register 99H

xx xxxxxxxx

Bit address 9F

9E

9D

9C

9B

9A

99

98

SCON

Serial port control

98H SM0/FE SM1

SM2

REN

TB8

RB8

TI

RI 00 00000000

SSTAT Serial port extended status

BAH DBMOD INTLO CIDIS DBISEL FE

BR

OE

STINT 00 00000000

register

SP

Stack pointer

81H

07 00000111

SPCTL SPI control register

E2H SSIG SPEN DORD MSTR CPOL CPHA SPR1 SPR0 04 00000100

SPSTAT SPI status register

E1H SPIF WCOL

-

-

-

-

-

-

00 00xxxxxx

SPDAT SPI data register

E3H

00 00000000

Bit address 8F

8E

8D

8C

8B

8A

89

88

TCON* Timer 0 and 1 control

88H TF1

TR1

TF0

TR0

-

-

-

-

00 00000000

TH0

Timer 0 high

8CH

00 00000000

TH1

Timer 1 high

8DH

00 00000000

TL0

Timer 0 low

8AH

00 00000000

TL1

Timer 1 low

8BH

00 00000000

TMOD Timer 0 and 1 mode

89H

-

-

T1M1 T1M0 T0GATE T0C/T T0M1 T0M0 00 00000000

TRIM

Internal oscillator trim register 96H

-

ENCLK TRIM.5 TRIM.4 TRIM.3 TRIM.2 TRIM.1 TRIM.0 [5] [6]

WDCON Watchdog control register

A7H PRE2 PRE1 PRE0

-

-

WDRUN WDTOF WDCLK [4] [6]

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