Section 22 Electrical Characteristics
Rev. 2.00 Mar 09, 2006 page 845 of 906
REJ09B0292-0200
CKIO
BS
CSn
RD
RD/
WR
WEn
⋅
DQMxx
RAS
CAS
⋅
OE
CKE
D31–D0
DACKn
WAIT
Address
upper bits
T
rr
T
rc1
T
re
T
rc2
Address
lower bits
t
RASD1
t
RSD1
t
RASD1
t
CASD1
t
CASD1
t
AD
t
AD
t
CSD1
t
RWD
t
RWD
t
BSD
t
CSD1
Note: An auto-refresh cycle is always preceded by a precharge cycle. The number of cycles
between the two is determined by the number of cycles specified by TRP.
Figure 22.30 Synchronous DRAM Auto-Refresh Cycle
(TRAS = 4 Cycles)
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...