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Pecial, Unction, Egisters – Maxim Integrated High-Speed Microcontroller User Manual

Page 18: Table 4-a. ds80c310 sfr locations

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High-Speed Microcontroller User’s Guide

Rev: 062210

18 of 176

Table 4-B. DS80C310 SFR Reset Values

REGISTER

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

ADDRESS

SP

0 0 0 0 0 1 1 1 81h

DPL

0 0 0 0 0 0 0 0 82h

DPH

0 0 0 0 0 0 0 0 83h

DPL1

0 0 0 0 0 0 0 0 84h

DPH1

0 0 0 0 0 0 0 0 85h

DPS

0 0 0 0 0 0 0 0 86h

PCON

0 0 — — 0 0 0 0 87h

TCON

0 0 0 0 0 0 0 0 88h

TMOD

0 0 0 0 0 0 0 0 89h

TL0

0 0 0 0 0 0 0 0 8Ah

TL1

0 0 0 0 0 0 0 0 8Bh

TH0

0 0 0 0 0 0 0 0 8Ch

TH1

0 0 0 0 0 0 0 0 8Dh

CKCON

— — 0 0 0 0 0 1 8Eh

P1

1 1 1 1 1 1 1 1 90h

EXIF

0 0 0 0 — — — — 91h

SCON0

0 0 0 0 0 0 0 0 98h

SBUF0

0 0 0 0 0 0 0 0 99h

P2

1 1 1 1 1 1 1 1 A0h

IE

0 — 0 0 0 0 0 0 A8h

SADDR0

0 0 0 0 0 0 0 0 A9h

P3

1 1 1 1 1 1 1 1 B0h

IP

— — 0 0 0 0 0 0 B8h

SADEN0

0 0 0 0 0 0 0 0 B9h

STATUS

0 0 0 1 1 1 1 1 C5h

T2CON

0 0 0 0 0 0 0 0 C8h

T2MOD

— — — — — — 0 0 C9h

RCAP2L

0 0 0 0 0 0 0 0 CAh

RCAP2H

0 0 0 0 0 0 0 0 CBh

TL2

0 0 0 0 0 0 0 0 CCh

TH2

0 0 0 0 0 0 0 0 CDh

PSW

0 0 0 0 0 0 0 0 D0h

WDCON

SPECIAL

— — — — — — D8h

ACC

0 0 0 0 0 0 0 0 E0h

EIE

— — — — 0 0 0 0 E8h

B

0 0 0 0 0 0 0 0 F0h

EIP

— — — — 0 0 0 0 F8h