h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 544

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Rev. 2.00, 03/04, page 512 of 534
Read
Write
Note:
φ
A23 to A0
D15 to D0
D15 to D0
to
Figure 18.14 DRAM Access Timing: Three-State Access (RAST = 1)
,
,
timing: when RAST = 0
timing: when DDS = 0
t
AD
Tp
t
t
PCH1
AS2
t
CSD2
Tr
t
AH2
t
DACD1
t
t
WRD2
t
AD
WDD
Tc1
t
t
AC7
AS3
t
WCS2
t
t
WDS2
OED2
t
AA5
Tc2
t
CASD2
t
WCH2
t
CASW2
t
AC2
t
AH3
t
WDH3
Tc3
t
RDS2
t
WRD2
t
RDH2
t
t
OED1
CASD1
t
t
DACD2
CSD3