r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 1252

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 26 Electrical Characteristics
Rev. 1.00 Sep. 19, 2008 Page 1224 of 1270
REJ09B0466-0100
EDACK2, EDACK3
Read
Write
DACK0, DACK1
Note:
φ
A23 to A0
RAS5 to RAS0
UCAS
LCAS
OE, RD
HWR
D15 to D0
OE, RD
HWR
D15 to D0
AS
DACK and EDACK timing: when DDS = 1 and EDDS = 1
RAS timing: when RAST = 1
Figure 26.19 DRAM Access Timing: Three-State Burst Access
Tp
Tr
Tc1
Tc2
Tc3
t
RCH
t
Tc1
RCS2
t
CPW2
t
AC8
Tc2
Tc3