Hitachi H8S/2678 Series Reference Manual page 425

ø
A23 to A0
CS7 to CS0
AS
RD
(read)
D15 to D0
(read)
HWR, LWR
(write)
D15 to D0
(write)
DACK0, DACK1
EDACK0 to EDACK3
Figure 7.25 DMAC and EXDMAC Single Address Transfer Timing:
408
T1 T2
t
DACD1
t
EDACD1
Three-State Access
T3
t
DACD2
t
EDACD2