Hitachi H8S/2678 Series Reference Manual page 420

16-bit single-chip microcomputer
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RAS5 to RAS2
UCAS, LCAS
OE
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RAS5 to RAS2
UCAS, LCAS
OE
Figure 7.19 CAS-Before-RAS Refresh Timing (with Wait Cycle Insertion)
TRp
Figure 7.18 CAS-Before-RAS Refresh Timing
TRp
TRrw
t
CSR2
t
CASD1
TRr
TRc1
t
CSD2
t
CSR1
t
CASD1
TRr
TRc1
t
CSD2
TRc2
t
CSD1
t
CASD1
TRcw
TRc2
t
CSD1
t
CASD1
403

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