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SH7032 Datasheet, PDF (564/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
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Section 20 Electrical Characteristics
T1
T2
CK
A21âA0
HBS, LBS
CSn
tAD
tCSD1
tCSD2
RD (Read)
tRDD
tRDAC2*1
tRSD
AD15âAD0
DPH, DPL
(Read)
DACK0
DACK1
(Read)
WRH, WRL,
WR (Write)
AD15âAD0
(Write)
PL
(Write)
DACK0
DACK1
(Write)
tACC2*2
tDACD1
tWSD1
tRDS
tRDH*3
tWSD2
tDACD2
tWDD1
tWPDD1
tDACD3
tWDH
tWPDH
tDACD3
Notes: 1. For tRDAC2, use tcyc à (n + 1.65) â 20 (for 35% duty) or tcyc à (n + 1.5) â 20 (for 50%
duty) instead of tcyc à (n + 2) â tRDD â tRDS.
2. For tACC2, use tcyc à (n + 2) â 30 instead of tcyc à (n + 2) â tAD (or tCSD1) â tRDS.
3. tRDH is measured from A21âA0, CSn, or RD, whichever is negated first.
Figure 20.53 Basic Bus Cycle: Two-State Access
Rev. 7.00 Jan 31, 2006 page 538 of 658
REJ09B0272-0700
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