AT83C5121XXX-PURUL View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT83C5121XXX-PURUL

8-bit Microcontroller with Multiprotocol Smart Card Interface

Atmel Corporation 

A/T8xC5121

Table 2. SFR Addresses and Reset Values

0/8

1/9

2/A

3/B

F8h

4/C

5/D

6/E

7/F

FFh

F0h

B

LEDCON

F7h

0000 0000 XXXX 0000

E8h

EFh

E0h

ACC

0000 0000

D8h

D0h

PSW

RCON

0000 0000 XXXX OXXX

C8h

C0h

B8h

IPL0

XXX0 0000

SADEN

0000 0000

B0h

P3

IE1

1111 1111 XXXX 0XXX

A8h

IE0

0XX0 0000

SADDR

0000 0000

A0h

P2

1111 1111

98h

SCON

SBUF

XXX0 0000 XXXX XXXX

90h

P1

SIOCON

XX11 1111 00XX 0000

88h

TCON

0000 0000

TMOD

0000 0000

80h

P0

1111 1111

SP

0000 0111

0/8

1/9

Reserved

E7h

DFh

D7h

CFh

C7h

ISEL

0000 0100

DCCKPS BFh

XXXX XX11

IPL1

XXXX 0XXX

0 SCWT0 * 0 SCWT1 * 0 SCWT2 *

IPH1

1000 0000

0010 0101

0000 0000

XXXX 0XXX

1 SCGT0 * 1 SCGT1* 1 SCICR *

0000 1100

0000 0000

0000 0000

B7h

IPH0

XXX0 0000

SCTBUF*

0000 0000

SCRBUF

0000 000

0 SCCON * 0 SCISR* 0

SCIIR*

SCSR

0X000

10X0 0000

0X00 0000

XXX0 1000

1 SCETU0 1 SCETU1 1 SCIER *

0111 0100

0XXX

0X00 0000

AFh

CKCON1

XXXX 0XXX

AUXR1

XXX XXX0

WDTRST

WDTPRG A7h

XXXX XXXX XXXX X0000

BRL

BDRCON

9Fh

0000 0000 XXX0 0000

CKRL

97h

XXXX 111X

TL0

TL1

0000 0000 0000 0000

TH0

0000 0000

TH1

0000 0000

AUXR

CKCON0 8Fh

00XX XX00 X0X0 X000

DPL

DPH

20

0000 0000 0000 0000

PCON

87h

00XX XX00

2/A

3/B

4/C

5/D

6/E

7/F

SCRS Bit (SCSR.0)

0

1

(*)

SFR value

SFR value

13

4164G–SCR–07/06

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