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H8SX1663 数据表(PDF) 335 Page - Renesas Technology Corp

部件名 H8SX1663
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX1663 数据表(HTML) 335 Page - Renesas Technology Corp

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Section 6 Bus Controller (BSC)
Rev.1.00 Jun. 07, 2006 Page 283 of 1102
REJ09B0294-0100
(1) When DDS = 1
A fast-page access is performed regardless of the bus master, only according to the address. The
DACK signal is asserted within the Tc1 cycle in both read and write accesses.
Figures 6.82 and 6.83 show the output timing example of the
DACK signal when DDS = 1.
T
p
T
r
T
c1
T
c2
T
c1
T
c2
CS
Precharge-sel
RAS
CAS
WE
CKE
PALL
ACTV
NOP
NOP
WRIT
WRIT
DQMLU
DQMLL
D7 to D0
BS
DACK
RD/
WR
D15 to D8
Address bus
Row address
Row
address
Column address 1
Column address 2
SD
φ
High
Figure 6.82 Output Timing Example of
DACK when DDS = 1 (Write)



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