r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 209
![no-image](/images/manufacturer_photos/0/5/561/renesas_electronics_corporation__sml.jpg)
r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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Figure 6.5 CAS Latency Control Cycle Disable Timing during Continuous Synchronous
SDWCD 0
SDWCD 1
DQMU, DQML
DQMU, DQML
Precharge-sel
Precharge-sel
Address bus
Address bus
DRAM Space Write Access (for CAS Latency 2)
SDRAMφ
Data bus
Data bus
RAS
CKE
RAS
CKE
CAS
CAS
WE
WE
φ
Column address
Column address
PALL
PALL
T
T
p
p
Row address
Row address
Row address
Row address
ACTV
ACTV
T
T
r
r
High
High
NOP
NOP
T
T
c1
c1
Column address
Rev. 1.00 Sep. 19, 2008 Page 179 of 1342
Column address
WRIT
WRIT
T
T
c2
cl
Section 6 Bus Controller (BSC)
NOP
T
c2
REJ09B0467-0100
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