SH7080_09 Datasheet, PDF (1501/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Section 28 Electrical Characteristics
CK
A25 to A0
A12/A11^*1
Tr
Trw
Tc1
Tc2
Tc3
Tc4
Trwl
t_AD1
Row
address
t_AD1
t_AD1
t_AD1
t_AD1
Column
address
t_AD1
WRIT command
t_AD1
t_AD1
t_AD1
t_AD1
WRITA
command
CSn
RDWR
RASx
CASx
DQMxx
D31 to D0
BS
t_CSD
t_RWD
t_RWD
t_RASD
t_RASD
t_CASD
t_DQMD
t_WDD2
t_WDH2
t_BSD
t_CSD
t_RWD
t_CASD
t_DQMD
t_WDD2
t_WDH2
t_BSD
CKE
TDEANCDKnn^**22
t_DACD
(High)
t_DACD
Notes: 1. An address pin to be connected to pin A10 of SDRAM.
2. The waveform for DACKn and TENDn is when active low is specified.
Figure 28.31 Synchronous DRAM Burst Write Bus Cycle (Four Write Cycles)
(Auto Precharge, WTRCD = 1 Cycle, TRWL = 1 Cycle)
Rev. 4.00 Dec. 15, 2009 Page 1441 of 1558
REJ09B0181-0400