HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 799

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

D15 to D0
A23 to A0
RD/WR
DQMn
Note: * Address pin that is connected to A10 of SDRAM
CKIO
A11*
RAS
CAS
CKE
CS3
(Bank Active Mode: ACTV + READ Command, CAS Latency 2, TRCD = 1 Cycle)
BS
Figure 28.31 Burst Read Bus Cycle of Synchronous DRAM (Single Read × 4)
t
t
t
t
DQMD1
t
RASD1
CASD1
RWD1
CSD1
t
t
AD1
AD1
Tr
Address
Row
t
t
RASD1
CASD1
t
t
t
BSD
AD1
AD1
Tc1
Address1
Column
t
AD1
(High)
Tc2
Command
Address2
READ
Column
t
AD1
Td1
Tc3
t
RDS2
Address3
Column
t
RDH2
t
AD1
Td2
Tc4
t
RDS2
t
t
RDH2
CASD1
t
t
BSD
AD1
Address4
Column
Rev. 1.00, 02/04, page 761 of 804
Td3
t
RDS2
t
RDH2
Td4
t
RDS2
t
t
DQMD1
t
RDH2
CSD1
Tde
t
t
t
RASD1
CASD1
RWD1
t
t
AD1
AD1