HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 809

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

D15 to D0
A23 to A0
RD/WR
Note: * Address pin that is connected to A10 of SDRAM
DQMn
CKIO
Figure 28.41 Auto Refresh Timing in Low-Frequency Mode of Synchronous DRAM
A11*
RAS
CAS
CKE
CS3
BS
t
t
t
t
DQMD2
t
RASD2
CASD2
t
t
RWD2
CSD2
AD3
AD3
Tp
t
t
t
RASD2
RWD2
CSD2
Tpw
(High-Z)
t
t
t
RASD2
CASD2
(High)
(TRP = 2 Cycle)
CSD2
Trr
t
t
t
RASD2
CASD2
t
t
CSD2
AD3
AD3
Trc
Trc
Rev. 1.00, 02/04, page 771 of 804
Trc
Trc