TS83C51U2 查看數據表（PDF） - Atmel Corporation

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TS83C51U2

Double UART 8-bit CMOS Microcontroller

Atmel Corporation 

TS80C51U2

TS83C51U2

TS87C51U2

5. SFR Mapping

The Special Function Registers (SFRs) of the TS80C51U2 fall into the following categories:

• C51 core registers: ACC, B, DPH, DPL, PSW, SP, AUXR1

• I/O port registers: P0, P1, P2, P3

• Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2, RCAP2L, RCAP2H

• Serial I/O port registers for UART_0: SADDR_0, SADEN_0, SBUF_0, SCON_0

• Serial I/O port registers for UART_1: SADDR_1, SADEN_1, SBUF_1, SCON_1

• Baud Rate Generator registers: BRL, BDRCON, BDRCON_1

• Power and clock control registers: PCON

• HDW Watchdog Timer Reset: WDTRST, WDTPRG

• Interrupt system registers: IE, IP, IPH

• Others: AUXR, CKCON

Table 2. All SFRs with their address and their reset value

Bit

address-

able

Non Bit addressable

0/8

1/9

2/A

3/B

4/C

5/D

6/E

7/F

F8h

F0h

B

0000 0000

E8h

E0h

ACC

0000 0000

D8h

D0h

PSW

0000 0000

C8h

T2CON

0000 0000

T2MOD

XXXX XX00

RCAP2L

0000 0000

RCAP2H

0000 0000

C0h

SCON_1

0000 0000

SBUF_1

XXXX XXXX

B8h

IP

X000 0000

SADEN_0

0000 0000

SADEN_1

0000 0000

B0h

P3

1111 1111

A8h

IE

0X00 0000

SADDR_0

0000 0000

SADDR_1

0000 0000

A0h

P2

1111 1111

AUXR1

XXXX XXX0

98h

SCON_0

0000 0000

SBUF_0

XXXX XXXX

BRL

0000 0000

BDRCON

0XXX 0000

90h

P1

1111 1111

88h

TCON

0000 0000

TMOD

0000 0000

TL0

0000 0000

TL1

0000 0000

80h

P0

1111 1111

SP

0000 0111

DPL

0000 0000

DPH

0000 0000

0/8

1/9

2/A

3/B

reserved

TL2

0000 0000

BDRCON_1

0X00 00XX

TH0

0000 0000

4/C

TH2

0000 0000

TH1

0000 0000

5/D

FFh

F7h

EFh

E7h

DFh

D7h

CFh

C7h

BFh

IPH

X000 0000

B7h

AFh

WDTRST

XXXX XXXX

WDTPRG

XXXX X000

A7h

9Fh

97h

AUXR

00XX XXX0

CKCON

XXXX XXX0

8Fh

PCON

00X1 0000

87h

6/E

7/F

4

Rev. D - 15 January, 2001

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