HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 300

• 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 232 of 1136
REJ09B0109-0700
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
p
Figure 6.52 Operation Timing of Burst Access
(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
T
c2
NOP
READ
T
c1
Column address 2
WRIT
T
cl
NOP
NOP
T
c2