P89V52X2 datasheet(9/56 Pages) PHILIPS | 8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM

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P89V52X2 Datasheet(PDF) 9 Page - NXP Semiconductors

Part #	P89V52X2

Description	8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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Table 3.

Special function registers

* indicates SFRs that are bit addressable.

Name

Description

SFR

addr.

Bit functions and addresses

MSB

LSB

Bit address

E7E6E5

E4

E3

E2E1

E0

ACC*

Accumulator

E0H

AUXR

Auxiliary function register

8EH

---

----

AO

AUXR1

Auxiliary function register 1

A2H

-

-

-

GF2

0

-

DPS

Bit address

F7

F6F5F4F3

F2

F1F0

B*

B register

F0H

CKCON

B register

8FH

---

----

X2

DPTR

Data Pointer (2 B)

DPH

Data Pointer HIGH

83H

DPL

Data Pointer LOW

82H

Bit address

AF

AE

AD

AC

AB

AA

A9

A8

IE*

Interrupt Enable 0

A8H

EA

-

ET2

ES

ET1

EX1

ET0

EX0

Bit address

BF

BE

BD

BC

BB

BA

B9

B8

IP*

Interrupt Priority 0

B8H

-

-

PT2

PS

PT1

PX1

PT0

PX0

IPH

Interrupt Priority 0 HIGH

B7H

-

-

PT2H

PS0H

PT1H

PX1H

PT0H

PX0H

Bit address

878685

8483

8281

80

P0*

Port 0

80H

AD7

AD6

AD5

AD4

AD3

AD2

AD1

AD0

Bit address

979695

9493

9291

90

P1*

Port 1

90H

---

---

T2EX

T2

Bit address

A7

A6

A5A4A3

A2A1

A0

P2*

Port 2

A0H

AD15

AD14

AD13

AD12

AD11

AD10

AD9

AD8

Bit address

B7

B6

B5B4B3

B2B1

B0

P3*

Port 3

B0H

RD

WR

T1

T0

INT1

INT0

TXD

RXD

PCON

Power Control Register

87H

SMOD1

SMOD0

-

POF

GF1

GF0

PD

IDL

Bit address

D7

D6

D5D4D3

D2D1

D0

PSW*

Program Status Word

D0H

CY

AC

F0

RS1

RS0

OV

-

P

RCAP2H

Timer2 Capture HIGH

CBH

RCAP2L

Timer2 Capture LOW

CAH

Bit address

9F

9E

9D

9C

9B

9A

99

98

Similar Part No. - P89V52X2

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	P89V52X2	271Kb / 57P	8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM Rev. 03-4 May 2009
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	P89V52X2FBD	271Kb / 57P	8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM Rev. 03-4 May 2009
	P89V52X2FN	271Kb / 57P	8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM Rev. 03-4 May 2009

Similar Description - P89V52X2

Manufacturer	Part #	Datasheet	Description
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