Datasheet

Section 26 Electrical Characteristics
Page 1330 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Th
t
AD
t
CSD1
t
AS1
t
ASD
t
AS3
t
RSD1
t
RSD1
t
ASD
t
AH1
t
AH3
t
AH2
t
AH3
t
WDH3
t
WSW2
t
WDS3
t
AS4
t
AS3
t
RSD1
t
WRD2
t
WRD1
t
AC4
t
RDH2
t
RSD2
t
AC6
t
RDH1
T
1
T
2
T
3
Tt
φ
A23 to A0
CS7 to CS0
AS
RD
D15 to D0
RD
D15 to D0
D15 to D0
HWR, LWR
Read
(RDNn = 1)
Read
(RDNn = 0)
Write
DACK0, DACK1
EDACK2, EDACK3
t
DACD1
t
DACD2
t
EDACD1
t
EDACD2
t
RDS2
t
WDD
t
RDS1
Figure 26.12 Basic Bus Timing: Three-State Access (CS Assertion Period Extended)