Hitachi SH7032 Hardware Manual page 531

A21–A0
HBS, LBS
RD (Read)
AD15–AD0
DPH, DPL
(Read)
DACK0
DACK1
Notes: *1 For t
RDAC1
of t – t
cyc
*2 For t
ACC1
is measured from A21–A0, CSn, or RD, whichever is negated first.
*3 t
RDH
496
CK
t
AD
t
CSD1
CSn
t
RDD
× 0.65 – 35 (for 35% duty) or t
, use t
cyc
– t .
RDD RDS
, use t – 44 instead of t
cyc
Figure 20.21 Basic Bus Cycle: One-State Access
T
1
t
CSD2
*1
t t
RDAC1 RSD
*2
t t
ACC1 RDS
t t
DACD1 DACD2
× 0.5 – 35 (for 50% duty) instead
cyc
– t (or t ) – t
cyc AD CSD1
*3
t
RDH
.
RDS