80C54 查看數據表（PDF） - Atmel Corporation

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80C54

8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP

Atmel Corporation 

Bit

address-

able

Table 4-1.

All SFRs with their address and their reset value

Non Bit addressable

0/8

1/9

2/A

3/B

4/C

5/D

6/E

F8h

F0h

B

0000 0000

E8h

E0h

ACC

0000 0000

D8h

D0h

PSW

0000 0000

C8h

T2CON

0000 0000

C0h

T2MOD

XXXX XX00

RCAP2L

0000 0000

RCAP2H

0000 0000

TL2

0000 0000

TH2

0000 0000

7/F

FFh

F7h

EFh

E7h

DFh

D7h

CFh

C7h

B8h

IP

XX00 0000

B0h

P3

1111 1111

A8h

IE

0X00 0000

A0h

P2

1111 1111

98h

SCON

0000 0000

90h

P1

1111 1111

88h

TCON

0000 0000

80h

P0

1111 1111

0/8

reserved

SADEN

0000 0000

SADDR

0000 0000

SBUF

XXXX XXXX

AUXR1

XXXX 0XX0

TMOD

0000 0000

SP

0000 0111

1/9

TL0

0000 0000

DPL

0000 0000

2/A

TL1

0000 0000

DPH

0000 0000

3/B

TH0

0000 0000

4/C

BFh

IPH

B7h

XX00 0000

AFh

WDTRST

WDTPRG A7h

XXXX XXXX XXXX X000

9Fh

97h

TH1

0000 0000

5/D

AUXR

CKCON

8Fh

XXXX XXX0 XXXX XXX0

PCON

87h

00X1 0000

6/E

7/F

4 AT/TS8xC54/8X2

4431E–8051–04/06

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