Hitachi H8S/2678 Series Reference Manual page 409

Read
(RDNn = 1)
Read
(RDNn = 0)
Write
DACK0, DACK1
EDACK0 to EDACK3
392
ø
t
AD
A23 to A0
t
CSD1
CS7 to CS0
AS
RD
D15 to D0
RD
D15 to D0
HWR, LWR
D15 to D0
Figure 7.7 Basic Bus Timing: Three-State Access
T1 T2
t
AS1
t
ASD
t
AS1
t
RSD1
t
AC6
t
AA4
t
AS1
t
RSD1
t
AC4
t
AA5
t
AS2
t
WRD1
t
WDS1
t
WDD
t
DACD1
t
EDACD1
T3
t
AH1
t
ASD
t
RSD1
t t
RDS1 RDH1
t
RDS2
t
t
AH1
WRD2
t
t
WDH1
WSW2
t
RSD2
t
RDH2
t
DACD2
t
EDACD2