ACC

A.7

A.6

A.5

A.4

A.3

A.2

A.1

A.0

B

B.7

B.6

B.5

B.4

B.3

B.2

B.1

B.0

PSW

CY

AC

F0

RS1

RS0

OV

-

P

SP

Stack Pointer

DPH

Data pointer high byte

DPL

Data pointer low byte

P0

P0.7

P0.6

P0.5

P0.4

P0.3

P0.2

P0. 1

P0.0

Pl

P1.7

P1.6

P1.5

P1.4

P1.3

P1.2

Pl.l

P1.0

P3

P3.7

P3.6

P3.5

P3.4

P3.3

P3.2

P3.1

P3.0

IP

-

-

PT2

PS

PT1

PX1

PT0

PX0

IE

EA

-

ET2

ES

ET1

EX1

ET0

EX0

TMOD

GATE

C/T-

M1

M0

GATE

C/T

M1

M0

TCON

TF1

TR1

TFO

TR0

IE1

IT1

IE0

IT0

TH0

Timer0 data high byte

TL0

Timer0 data low byte

TH1

Timerl data high byte

TL1

Timerl data low byte

SCON

SM0

SM1

SM2

REN

TB8

RB8

TI

RI

SBUF

Serial data buffer

PCON

SMOD

-

-

-

GF1

GF0

PD

IDL