DS83C530-QNL datasheet(9/45 Pages) MAXIM

Part #	DS83C530-QNL

Description	EPROM/ROM Microcontrollers with Real-Time Clock

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Manufacturer	MAXIM [Maxim Integrated Products]

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DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock

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Table 1. Special Function Register Locations

* Functions not present in the 80C52 are in bold.

REGISTER

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

ADDRESS

P0

P0.7

P0.6

P0.5

P0.4

P0.3

P0.2

P0.1

P0.0

80h

SP

81h

DPL

82h

DPH

83h

DPL1

84h

DPH1

85h

DPS

0

SEL

86h

PCON

SMOD_0

SMOD0

—

GF1

GF0

STOP

IDLE

87h

TCON

TF1

TR1

TF0

TR0

IE1

IT1

IE0

IT0

88h

TMOD

GATE

C/ T

M1

M0

GATE

C/ T

M1

M0

89h

TL0

8Ah

TL1

8Bh

TH0

8Ch

TH1

8Dh

CKCON

WD1

WD0

T2M

T1M

T0M

MD2

MD1

MD0

8Eh

P1

P1.7

P1.6

P1.5

P1.4

P1.3

P1.2

P1.1

P1.0

90h

EXIF

IE5

IE4

IE3

IE2

XT/RG

RGMD

RGSL

BGS

91h

TRIM

E4K

X12/ 6

TRM2

TRM1

TRM0

96h

SCON0

SM0/FE_0

SM1_0

SM2_0

REN_0

TB8_0

RB8_0

TI_0

RI_0

98h

SBUF0

99h

P2

P2.7

P2.6

P2.5

P2.4

P2.3

P2.2

P2.1

P2.0

A0h

IE

EA

ES1

ET2

ES0

ET1

EX1

ET0

EX0

A8h

SADDR0

A9h

SADDR1

AAh

P3

P3.7

P3.6

P3.5

P3.4

P3.3

P3.2

P3.1

P3.0

B0h

IP

—

PS1

PT2

PS0

PT1

PX1

PT0

PX0

B8h

SADEN0

B9h

SADEN1

BAh

SCON1

SM0/FE_1

SM1_1

SM2_1

REN_1

TB8_1

RB8_1

TI_1

RI_1

C0h

SBUF1

C1h

ROMSIZE

—

RMS2

RMS1

RMS0

C2h

PMR

CD1

CD0

SWB

—

XTOFF

ALEOFF

DME1

DME0

C4h

STATUS

PIP

HIP

LIP

XTUP

SPTA1

SPRA1

SPTA0

SPRA0

C5h

TA

C7h

T2CON

TF2

EXF2

RCLK

TCLK

EXEN2

TR2

C/ T2

CP/

RL2

C8h

T2MOD

—

T2OE

DCEN

C9h

RCAP2L

CAh

RCAP2H

CBh

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DS83C530-QNL Datasheet(PDF) 9 Page - Maxim Integrated Products

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