HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 334

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Bus Controller (BSC)
Rev.7.00 Mar. 18, 2009 page 266 of 1136
REJ09B0109-0700
Figure 6.81 Example of Timing for Idle Cycle Insertion in Case of Consecutive Read and
UCAS, LCAS
Address bus
Note: n = 2 to 5
RASn (CSn)
WE (HWR)
Data bus
OE (RD)
Write Accesses to DRAM Space in RAS Down Mode
φ
T
p
DRAM space read
T
r
T
c1
T
c2
Idle cycle
DRAM space write
T
i
T
c1
T
c2