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SH7020 Datasheet, PDF (487/509 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
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CK
A21âA0
HBS, LBS
CSn
RD (Read)
AD15âAD0
DPH, DPL
(Read)
DACK0
DACK1
T1
tAD
tCSD1
tCSD2
tRDD
tRDAC1*1
tRSD
tACC1*2 tRDS
tRDH*3
tDACD1
tDACD2
Notes: 1.
2.
3.
For tRDAC1, use tcyc à 0.65 â 35 (for 35% duty) or tcyc à 0.5 â 35 (for 50% duty)
instead of tcyc â tRDD â tRDS.
For tACC1, use tcyc â 44 instead of tcyc â tAD (or tCSD1) â tRDS.
tRDH is measured from A21âA0, CSn, or RD, whichever is negated first.
Figure 19.21 Basic Bus Cycle: One-State Access
RENESAS 477
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