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HD6417750 Datasheet, PDF (929/1039 Pages) Renesas Technology Corp – SuperH RISC engine
CKIO
A25–A0
RD/
D63–D0
(read)
D63–D0
(write)
T1
T2
tAD
tCSD
tRWD
tAD
tCSD
tRWD
tRSD
tRSD
tRSD
tRDS
tRDH
tWED1
tWEDF
tWEDF
tWDD
tWDD
tWDD
tBSD
tBSD
DACKn
(SA: IO ← memory)
tDACD
tDACD
tDACD
DACKn
(SA: IO → memory)
tDACDF
tDACDF
DACKn
(DA)
tDACD
tDACD
Notes: IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 22.15 SRAM Bus Cycle: Basic Bus Cycle (No Wait)
Rev. 6.0, 07/02, page 877 of 986