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| HD6413003RF Datasheet, PDF (562/715 Pages) Renesas Technology Corp – Microcontroller (MCU) | |||
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ø
A9 to A1
AS
CS3 (RAS)
HWR (UCAS),
LWR (LCAS)
RD (WE)
RFSH
T1
T2
tASD
tCSR
tASD
tRAD2
tRAD2
tCSR
T3
tSD
tRAD3
tSD
tRAD3
Figure 18-11 DRAM Bus Timing (Refresh Cycle): Three-State Access
â 2CAS Mode â
ø
CS3 (RAS)
tCSR
HWR (UCAS),
tCSR
LWR (LCAS)
RFSH
Figure 18-12 DRAM Bus Timing (Self-Refresh Mode)
â 2CAS Mode â
544
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