MSM80C31 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM80C31

CMOS 8-Bit Microcontroller

Oki Electric Industry 

¡ Semiconductor

MSM80C31F/80C51F

DATA MEMORY AND SPECIAL FUNCTION REGISTER LAYOUT DIAGRAM

7F

USER RAM

80W ¥ 8 bits

30

2 F 7F

78

BIT ADDRESSABLE

20 7

RAM 0

1 F R7

BANK 3

1 8 R0

1 7 R7

1 0 R0

0 F R7

BANK 2

BANK 1

0 8 R0

0 7 R7

BANK 0

0 0 R0

0F0H

0E0H

0D0H

0B8H

0B0H

0A8H

0A0H

99H

98H

90H

8DH

8CH

8BH

8AH

89H

88H

87H

83H

82H

81H

80H

B

ACC

PSW

IP

P3

IE

P2

SBUF

SCON

P1

TH1

TH0

TL1

TL0

TMOD

TCON

PCON

DPH

DPL

SP

P0

BIT ADDRESSING

DATA ADDRESSING

9/38

Share Link: