beautypg.com

FUJITSU MB91F109 FR30 User Manual

Page 374

background image

350

CHAPTER 15 DMAC

Transfer Termination (When Both Addresses are Changed.)

Bus width: 16 bits, data length: 8/16 bits

Bus width: 16 bits, data length: 32 bits

CLK

Addr pin

Data pin

RDXD

WRnX

AKSE=1

DACK

AKDE=1

EPSE=1

EOP

EPDE=1

W

D

D

S

S

W

#2L

#2L

#1H

#1H

W

D

D

W

W

#0H

#0H

S

S

W

D

D

W

#1L

#1L

#2H

#2H

W

Both are 1

Both are 1

CLK

Addr pin

Data pin

RDXD

WRnX

AKSE=1

DACK

AKDE=1

EPSE=1

EOP

EPDE=1

CLK

Addr pin

Data pin

RDXD

WRnX

SL

SH

SL

SH

W

#1L

#1L

#1H

#1H

W

DH

DH

W

W

#0H

#0H

DL

DL

W

SL

SH

SL

SH

DH

DH

W

DL

DL

W

W

#2L

#2L

#2H

#2H

W

Both are 1

Both are 1