HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 237

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

CAS, LCAS
CAS, LCAS
Data bus
Data bus
Address
Address
EXTAL
EXTAL
Figure 6.35 (b) Example of Idle Cycle Operation in RAS Down Mode (ICIS0 = 1)
Figure 6.35 (a) Example of Idle Cycle Operation in RAS Down Mode (ICIS1 = 1)
HWR
RAS
RAS
RD
RD
T
T
p
p
DRAM space read
DRAM space read
T
T
r
r
T
T
c1
c1
T
T
c2
c2
T
T
1
1
External read
External read
T
T
1
1
Rev.6.00 Sep. 27, 2007 Page 207 of 1268
T
T
2
2
T
T
3
3
Idle cycle
Idle cycle
Section 6 Bus Controller
DRAM space read
DRAM space write
T
T
c1
c1
REJ09B0220-0600
T
T
c1
c1
T
T
c2
c2