HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 804

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

Rev. 1.00, 02/04, page 766 of 804
Figure 28.36 Burst Write Bus Cycle of Synchronous DRAM (Single Write × 4)
D15 to D0
A23 to A0
RD/WR
Note: * Address pin that is connected to A10 of SDRAM
(Bank Active Mode: PRE + ACTV + WRIT Command, TRCD = 1 Cycle)
DQMn
CKIO
A11*
RAS
CAS
CKE
CS3
BS
t
t
t
t
DQMD1
t
RASD1
CASD1
RWD1
CSD1
t
t
AD1
AD1
Tp
t
t
RASD1
RWD1
t
AD1
Tpw
Address
Row
t
RASD1
Tr
t
t
t
RASD1
CASD1
RWD1
t
t
t
BSD
AD1
AD1
Tc1
t
WDD2
Address1
Column
t
WDH2
t
AD1
(High)
Tc2
t
WDD2
Address2
Column
Command
t
WDH2
t
WRIT
AD1
Tc3
t
WDD2
Address3
Column
t
WDH2
t
AD1
Tc4
t
WDD2
Address4
Column
t
t
WDH2
t
DQMD1
t
t
CASD1
t
RASD1
t
t
RWD1
BSD
t
CSD1
AD1
AD1