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| SH7751 Datasheet, PDF (1113/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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23. Electrical Characteristics
CKIO
A25âA0
CSn
RD/WR
RD
T1
Tw
T2
tAD
tCSD
tRWD
tRSD
tRSD
tAD
tCSD
tRWD
tRSD
D31âD0
(read)
WEn
tWED1
tWEDF
tRDS
tRDH
tWEDF
D31âD0
(write)
tWDD
tWDD
tWDD
tBSD
tBSD
BS
RDY
tRDYS
DACKn
(SA: IO â memory)
tDACD
tDACD
DACKn
(SA: IO â memory)
tDACDF
tRDYH
tDACD
tDACDF
DACKn
(DA)
tDACD
tDACD
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.14 SRAM Bus Cycle: Basic Bus Cycle (One Internal Wait)
Rev.4.00 Oct. 10, 2008 Page 1015 of 1122
REJ09B0370-0400
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