HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 797

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

D15 to D0
A23 to A0
Figure 28.29 Burst Write Bus Cycle of Synchronous DRAM (Single Write × 4)
RD/WR
Note: * Address pin that is connected to A10 of SDRAM
DQMn
CKIO
A11*
RAS
CAS
CKE
CS3
BS
(Auto Precharge Mode, TRCD = 1 Cycle, TRWL = 1 Cycle)
t
t
t
t
DQMD1
t
RASD1
CASD1
RWD1
CSD1
t
t
AD1
AD1
Tr
Address
Row
t
t
t
t
RASD1
WDD2
CASD1
RWD1
t
t
t
BSD
AD1
AD1
Tc1
Address1
Column
t
t
WDD2
WDH2
t
AD1
(High)
Tc2
Command
Address2
Column
WRIT
t
t
WDH2
WDD2
t
AD1
Tc3
Address3
Column
t
t
WDH2
WDD2
t
t
AD1
AD1
Rev. 1.00, 02/04, page 759 of 804
Tc4
Command
Address4
Column
WRITA
t
t
t
DQMD1
t
WDH2
t
CASD1
t
RASD1
t
RWD1
CSD1
t
BSD
t
AD1
AD1
Trwl