HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 234

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Bus Controller (BSC)
Rev.7.00 Mar. 18, 2009 page 166 of 1136
REJ09B0109-0700
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
SDRAMφ
Data bus
Data bus
DRAM Space Write Access (for CAS Latency 2)
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
Column address
WRIT
WRIT
T
T
c2
cl
NOP
T
c2