HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 707

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

ø
CS (RAS)
HWR
LWR
RFSH
ø
A
AS
CS (RAS)
HWR (UCAS),
LWR (LCAS)
RD (WE)
RFSH
9
to A
3
3
(
(
LCAS)
UCAS
1
Figure 21-14 DRAM Bus Timing (Refresh Cycle): Three-State Access
),
Figure 21-15 DRAM Bus Timing (Self-Refresh Mode)
T
1
t
t
ASD
ASD
t
t
CSR
CSR
t
t
RAD2
RAD2
— 2CAS Mode —
— 2CAS Mode —
t
t
CSR
CSR
T
2
699
T
3
t
t
RAD3
t
t
RAD3
SD
SD