P89LPC914FDH 查看數據表（PDF） - Philips Electronics

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P89LPC914FDH

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 FF

FE

FD

FC

FB

FA

F9

F8

IP1*

Interrupt priority 1

F8H

-

PST

-

-

PSPI

PC

PKBI

-

00[1] 00x00000

IP1H

Interrupt priority 1 high

F7H

-

PSTH

-

-

PSPIH PCH PKBIH

-

00[1] 00x00000

KBCON Keypad control register

94H

-

-

-

-

-

-

PATN

KBIF 00[1] xxxxxx00

_SEL

KBMASK Keypad interrupt mask register 86H

00 00000000

KBPATN Keypad pattern register

93H

FF 11111111

Bit address 87

86

85

84

83

82

81

80

P0*

Port 0

80H

CMP1/ CMPREF/ CIN1A/

CIN2A/

[1]

KB6

KB5

KB4

KB2

Bit address 97

96

95

94

93

92

91

90

P1*

Port 1

90H

RST

RxD

TxD [1]

Bit address A7

A6

A5

A4

A3

A2

A1

A0

P2*

Port 2

A0H

SPICLK

MISO MOSI

[1]

Bit address B7

B6

B5

B4

B3

B2

B1

B0

P3*

Port 3

B0H

XTAL1 XTAL2 [1]

P0M1

Port 0 output mode 1

84H

(P0M1.6) (P0M1.5) (P0M1.4)

(P0M1.2)

FF 11111111

P0M2

Port 0 output mode 2

85H

(P0M2.6) (P0M2.5) (P0M2.4)

(P0M2.2)

00 00000000

P1M1

Port 1 output mode 1

91H

(P1M1.1) (P1M1.0) D3[1] 11x1xx11

P1M2

Port 1 output mode 2

92H

(P1M2.1) (P1M2.0) 00[1] 00x0xx00

P2M1

Port 2 output mode 1

A4H

(P2M1.5)

(P2M1.3) (P2M1.2)

FF 11111111

P2M2

Port 2 output mode 2

A5H

(P2M2.5)

(P2M2.3) (P2M2.2)

00 00000000

P3M1

Port 3 output mode 1

B1H

(P3M1.1) (P3M1.0) 03[1] xxxxxx11

P3M2

Port 3 output mode 2

B2H

(P3M2.1) (P3M2.0) 00[1] xxxxxx00

PCON

Power control register

87H SMOD1 SMOD0 BOPD

BOI

GF1

GF0 PMOD1 PMOD0 00 00000000

PCONA Power control register A

B5H RTCPD

-

VCPD

-

-

SPPD SPD

-

00[1] 00000000

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