Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 264

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Address bus
Precharge-sel
CKE
DQMU, DQML
,
Data bus
Figure 6.73 Example of Idle Cycle Operation in RAS Down Mode
Rev. 1.0, 09/01, page 220 of 904
Continuous synchronous
DRAM space read
T T T T
p r c1 cl
Row
Column
Column address 1
address
address
Row
address
PALL ACTV READ
(Read in Different Area) (IDLC = 0, CAS Latency 2)
External space read
T T T T
c2 1 2
External address
External address
High
High
NOP
Continuous synchronous
DRAM space read
T T T
3 i c1 Cl
Column address 2
READ NOP
Idle cycle
T
c2