Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller PLCC 44 (16.59x16.59) 8-Bit 60 MHz I/O number 34

1

2

3

4

5

6

7

8

9

8

4235K–8051–05/08

AT89C51RD2/ED2

A0h

P2

1111 1111

AUXR1

0XXX X0X0

WDTRST

XXXX XXXX

WDTPRG

XXXX X000

A7h

98h

SCON

0000 0000

SBUF

XXXX XXXX

BRL

0000 0000

BDRCON

XXX0 0000

KBLS

0000 0000

KBE

0000 0000

KBF

0000 0000

9Fh

90h

P1

1111 1111

CKRL

1111 1111

97h

88h

TCON

0000 0000

TMOD

0000 0000

TL0

0000 0000

TL1

0000 0000

TH0

0000 0000

TH1

0000 0000

AUXR

0X00 1000

CKCON0

0000 0000

8Fh

80h

P0

1111 1111

SP

0000 0111

DPL

0000 0000

DPH

0000 0000

PCON

00X1 0000

87h

0/8 1/9 2/A 3/B 4/C 5/D 6/E 7/F

Table 3-11. SFR Mapping

reserved