r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 291

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Read
Write
Address bus
DQMU, DQML
DQMU, DQML
Precharge-sel
Data bus
Data bus
SDRAM
CKE
CKE
RAS
RAS
CAS
CAS
WE
WE
φ
φ
address 1
Column
PALL
PALL
T
Figure 6.64 Operation Timing of Burst Access
p
(BE = 1, SDWCD = 0, CAS Latency 2)
Row address
Row address
ACTV
ACTV
T
r
READ
NOP
T
c1
Column address
High
High
WRIT
T
cl
NOP
Rev. 1.00 Sep. 19, 2008 Page 261 of 1342
T
c2
NOP
READ
Section 6 Bus Controller (BSC)
T
c1
Column address 2
WRIT
T
cl
REJ09B0467-0100
NOP
NOP
T
c2