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SH7041A Fiches technique(PDF) 834 Page - Renesas Technology Corp

No de pièce SH7041A
Description  Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
PDF  923 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7041A Fiches technique(HTML) 834 Page - Renesas Technology Corp

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796
CK
A21–A0
Tp
Tpw
Tr
Trw
Tc1
Tcw1
Tcw2
Tc2
t
AD
t
AD
t
ASR
t
RASD1
t
RAH
t
RP
t
CASD1
t
CAC
t
AA
t
RAC
t
RDS
t
RDH
t
CASD2
t
CASD1
t
RWD2
t
RWD1
t
DH
t
DS
t
WDH
t
DACKD1
t
DACKD1
t
WDD
t
RSD1
t
RSD2
t
WSD1
t
WSD2
t
RASD2
t
CASD2
RAS
CASxx
RDWR
D31–D0
CASxx
RDWR
D31–D0
DACKn
RD
WRxx
(During read)
(During read)
(During read)
(During read)
(During write)
(During write)
(During write)
(During write)
Row address
Column address
Note: t
RDH is specified from fastest negate timing of A21–A0, RAS, and CAS.
Figure 26.13 DRAM Cycle (Normal Mode, 2 Waits, TPC = 1, RCD = 1)
CK
A21–A0
Tp
Tpw
Tr
Trw
Tc1
Tcw1
Tcw2
Tcw3
Tc2
t
AD
t
AD
t
RAH
t
ASR
t
RP
t
CASD1
t
CAC
t
AA
t
CASD1
t
RDS
t
CASD2
tRWD2
t
RWD1
t
DS
t
DH
t
WDH
t
DACKD1
t
RSD1
t
WSD1
t
WSD2
t
RSD2
tDACKD1
t
RASD2
t
CASD2
t
WDD
RAS
CASxx
RDWR
D31–D0
CASxx
RDWR
D31–D0
DACKn
RD
WRxx
(During read)
(During read)
(During read)
(During read)
(During write)
(During write)
(During write)
(During write)
Row address
Column address
t
RASD1
t
RDH
t
RAC
Note: t
RDH is specified from fastest negate timing of A21–A0, RAS, and CAS.
Figure 26.14 DRAM Cycle (Normal Mode, 3 Waits, TPC = 1, RCD = 1)



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