Datasheet

Section 26 Electrical Characteristics
R01UH0309EJ0500 Rev. 5.00 Page 1327 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
T
1
φ
A23 to A0
CS7 to CS0
AS
RD
D15 to D0
RD
D15 to D0
HWR, LWR
D15 to D0
T
2
T
3
Read
(RDNn = 1)
Read
(RDNn = 0)
Write
t
AD
t
AS1
t
AH1
t
RSD1
t
RDS1
t
RDH1
t
RSD2
t
RDS2
t
RDH2
t
ASD
t
ASD
t
RSD1
t
RSD1
t
AC6
t
AC4
t
AA5
t
AS2
t
WSW2
t
WDS1
t
WRD1
t
WRD2
t
AH1
t
AA4
t
AS1
t
AS1
t
CSD1
DACK0, DACK1
EDACK2, EDACK3
t
DACD1
t
DACD2
t
EDACD1
t
EDACD2
t
WDH1
t
WDD
Figure 26.9 Basic Bus Timing: Three-State Access