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2 timing charts of data transfer block – FUJITSU MB91F109 FR30 User Manual

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15.9 DMAC Timing Charts

15.9.2 Timing Charts of Data Transfer Block

This section shows timing charts of the data transfer block.

Data Transfer Block for 16-Bit or 8-Bit Data

Transfer source area: external, transfer destination area: external

Transfer source area: external, transfer destination area: external RAM

CLK

DREQn

Addr pin

Data pin

RDXD

WRnX

DACK

EOP

(A)

W

D

D

S

#2

S

#2

D

D

S

S

W

D

D

S

S

W

D

D

S

S

(A)

CLK

DREQn

Addr pin

Data pin

RDXD

WRnX

DACK

EOP

S

#2

S

#2

S

S

S

S

S

S