P89LPC915 Ver la hoja de datos (PDF) - NXP Semiconductors.

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P89LPC915

8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V flash with 8-bit A/D converter

NXP Semiconductors. 

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Table 7. P89LPC915 special function registers

* indicates SFRs that are bit addressable.

Name

Description

SFR Bit functions and addresses

addr. MSB

LSB

Reset value

Hex Binary

Bit address E7

E6

E5

E4

E3

E2

E1

E0

ACC*

Accumulator

E0H

00 0000 0000

ADCON1 ADC control register 1

97H ENBI1 ENADCI TMM1 EDGE1 ADCI1 ENADC1 ADCS11 ADCS10 00 0000 0000

1

ADINS

ADC input select

A3H ADI13 ADI12 ADI11 ADI10

-

-

-

-

00 0000 0000

ADMODA ADC mode register A

C0H BNDI1 BURST1 SCC1 SCAN1

-

-

-

-

00 0000 0000

ADMODB ADC mode register B

A1H CLK2 CLK1 CLK0

-

ENDAC1

-

BSA1

-

00 000x 0000

AD1BH

A/D_1 boundary high register C4H

FF 1111 1111

AD1BL

A/D_1 boundary low register BCH

00 0000 0000

AD1DAT0 A/D_1 data register 0

D5H

00 0000 0000

AD1DAT1 A/D_1 data register 1

D6H

00 0000 0000

AD1DAT2 A/D_1 data register 2

D7H

00 0000 0000

AD1DAT3 A/D_1 data register 3

F5H

00 0000 0000

AUXR1

Auxiliary function register

A2H CLKLP EBRR

-

ENT0 SRST

0

-

DPS 00 0000 00x0

Bit address F7

F6

F5

F4

F3

F2

F1

F0

B*

B register

F0H

00 0000 0000

BRGR0

Baud rate generator rate low BEH

00 0000 0000

BRGR1

Baud rate generator rate high BFH

00 0000 0000

BRGCON Baud rate generator control BDH

-

-

-

-

-

-

SBRGS BRGEN 00[2] xxxx xx00

CMP1

Comparator 1 control register ACH

-

-

CE1

CP1

CN1

-

CO1

CMF1 00[1] xx00 0000

CMP2

Comparator 2 control register ADH

-

-

CE2

CP2

CN2

OE2

CO2

CMF2 00[1] xx00 0000

DIVM

CPU clock divide-by-M control 95H

00 0000 0000

DPTR

Data pointer (2 bytes)

DPH

Data pointer high

83H

00 0000 0000

DPL

Data pointer low

82H

00 0000 0000

FMADRH Program flash address high E7H

00 0000 0000

FMADRL Program flash address low E6H

00 0000 0000

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