Fujitsu FR20 ユーザーズマニュアル

305

Note:

Do not execute RMW commands to registers that have a write-only bit.

RMW system instruction (RMW: Read-modify-write) 

AND

Rj,@Ri

OR

Rj,@Ri

EOR

Rj,@Ri 

ANDH

Rj,@Ri

ORH

Rj,@Ri

EORH

Rj,@Ri 

ANDB

Rj,@Ri

ORB

Rj,@Ri

EORB

Rj,@Ri 

BANDL

#u4,@Ri

BORL

#u4,@Ri

BEORL #u4,@Ri 

0061C

H

Area selection Register 5

W 

ASR5 

0000 0000

B

0061D

H

0000 0005

B

0061E

H

Area mask Register 5

W 

AMR5 

0000 0000

B

0061F

H

0000 0000

B

00620

H

Reserved

00621

H

Area mode Register

R/W 

AMD1 

0--0 0000

B

00622

H

Reserved

00623

H

Reserved

00624

H

 to 

0062F

H

Reserved

00630

H

 to 

0077F

H

Reserved

00780

H

 to 

007AF

H

Reserved 

007B0

H

 to 

007BF

H

Reserved

007C0

H

Flash memory control register (MB91F191A/
MB91F192) 

R/W FSTR  000- ---0

B

007C1

H

Reserved

007C2

H

007C3

H

007C4

H

Wait Control Register 

R/W 

WAITC 

---- -000

B

007C5

H

Reserved

007C6

H

007C7

H

007C8

H

 to 

007FB

H

Reserved

007FC

H

Reserved

007FD

H

007FE

H

Little endian register

W 

LER 

---- -000

B

007FF

H

Mode register

W 

MODR 

XXXX XXXX

B

Address

Register Name

Access

Register

Initial value