FUJITSU MB91460 SERIES FR60 - Manual (Page 622)

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Chapter 31 External Bus
10.DMA Access Operation
Figure 10-12 Timing Chart for Two - cycle Transfer (SDRAM/FCRAM to I/O)
MCLK
A31 to 0
AS
CSn
RD
CSn
memory
address
I/O address
WRn(SWE)
D31 to 0
DACKn
DEOPn
DACKn
DEOPn
DREQn
FR30
compatible
mode
Basic
mode
SRAS
SCAS