Hitachi SH7032 Hardware Manual page 524

CK
RAS
CAS
WRH, WRL,
WR
Figure 20.16 CAS-before-RAS Refresh (Short-Pitch)
T
Rp
CK
RAS
CAS
WRH,
WRL,
WR
Figure 20.17 CAS-before-RAS Refresh (Long-Pitch)
T T
Rp Rr
t
CSR
t
CASD2
T
Rr
t
RASD1
t
CSR
t
CASD2
T
Rc
t
RASD1
T T
Rc
t
RASD2
t
CASD3
Rc
t
RASD2
t
CASD3
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