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Table 4-3. special-function register reset values – Maxim Integrated Ultra-High-Speed Flash Microcontroller User Manual

Page 20

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4-12

Ultra-High-Speed Flash

Microcontroller User’s Guide

REGISTER

ADDRESS

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

P0

80h

1

1

1

1

1

1

1

1

SP

81h

0

0

0

0

0

1

1

1

DPL

82h

0

0

0

0

0

0

0

0

DPH

83h

0

0

0

0

0

0

0

0

DPL1

84h

0

0

0

0

0

0

0

0

DPH1

85h

0

0

0

0

0

0

0

0

DPS

86h

0

0

0

0

0

1

0

0

PCON

87h

0

0

Special

Special

0

0

0

0

TCON

88h

0

0

0

0

0

0

0

0

TMOD

89h

0

0

0

0

0

0

0

0

TL0

8Ah

0

0

0

0

0

0

0

0

TL1

8Bh

0

0

0

0

0

0

0

0

TH0

8Ch

0

0

0

0

0

0

0

0

TH1

8Dh

0

0

0

0

0

0

0

0

CKCON

8Eh

0

0

0

0

0

0

0

1

P1

90h

1

1

1

1

1

1

1

1

EXIF

91h

0

0

0

0

Special

Special

Special

0

CKMOD

96h

1

1

0

0

0

1

1

1

SCON0

98h

0

0

0

0

0

0

0

0

SBUF0

99h

0

0

0

0

0

0

0

0

RID

9Ah

Special

Special

Special

Special

Special

Special

Special

Special

ACON

9Dh

0

0

0

1

1

1

1

1

P2

A0h

1

1

1

1

1

1

1

1

IE

A8h

0

0

0

0

0

0

0

0

SADDR0

A9h

0

0

0

0

0

0

0

0

SADDR1

AAh

0

0

0

0

0

0

0

0

P3

B0h

1

1

1

1

1

1

1

1

IP1

B1h

1

0

0

0

0

0

0

0

IP0

B8h

1

0

0

0

0

0

0

0

SADEN0

B9h

0

0

0

0

0

0

0

0

SADEN1

BAh

0

0

0

0

0

0

0

0

SCON1

C0h

0

0

0

0

0

0

0

0

SBUF1

C1h

0

0

0

0

0

0

0

0

ROMSIZE

C2h

1

1

1

1

0

1

0

1

PMR

C4h

1

0

0

0

0

0

0

0

STATUS

C5h

0

0

0

1

0

0

0

0

TA

C7h

1

1

1

1

1

1

1

1

T2CON

C8h

0

0

0

0

0

0

0

0

T2MOD

C9h

1

1

1

1

1

1

0

0

RCAP2L

CAh

0

0

0

0

0

0

0

0

RCAP2H

CBh

0

0

0

0

0

0

0

0

TL2

CCh

0

0

0

0

0

0

0

0

TH2

CDh

0

0

0

0

0

0

0

0

PSW

D0h

0

0

0

0

0

0

0

0

FCNTL

D5h

1

0

1

1

0

0

0

0

FDATA

D6h

0

0

0

0

0

0

0

0

WDCON

D8h

0

Special

0

Special

0

Special

Special

0

ACC

E0h

0

0

0

0

0

0

0

0

EIE

E8h

1

1

1

0

0

0

0

0

B

F0h

0

0

0

0

0

0

0

0

EIP1

F1h

1

1

1

0

0

0

0

0

EIP0

F8h

1

1

1

0

0

0

0

0

Table 4-3. Special-Function Register Reset Values

Maxim Integrated