SH7211 Datasheet, PDF (1141/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 27 Electrical Characteristics
CK
A25 to A0
A12/A11^*1
Td1
Td2
Td3
Td4
Tp
Trw
Tr
Tc1
Tc2
Tc3
Tc4
Tde
t_AD1
t_AD1
Row
address
t_AD1
t_AD1
t_AD1
t_AD1
t_AD1
t_AD1
Column
address
READ command
t_AD1
t_AD1
CSn
RD/WR
RASL
CASL
DQMLx
t_CSD1
t_RWD1
t_RWD1
t_RASD1
t_RASD1
t_RASD1
t_RASD1
t_CASD1
t_DQMD1
D15 to D0
t_BSD
BS
t_CSD1
t_RWD1
t_CASD1
t_DQMD1
t_RDS2
t_RDH2
t_RDS2
t_RDH2
t_BSD
CKE
DACKn
TENDn*²
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 27.30 Synchronous DRAM Burst Read Bus Cycle (Four Read Cycles)
(Bank Active Mode: PRE + ACT + READ Commands, Different Row Addresses,
CAS Latency 2, WTRCD = 0 Cycle)
Rev. 2.00 May. 08, 2008 Page 1117 of 1200
REJ09B0344-0200