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H8SX/1663M Datasheet(PDF) 285 Page - Renesas Technology Corp

Part # H8SX/1663M
Description  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1504 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX/1663M Datasheet(HTML) 285 Page - Renesas Technology Corp

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Section 9 Bus Controller (BSC)
Rev. 2.00 Sep. 24, 2008 Page 253 of 1468
REJ09B0412-0200
9.6.5
Read Strobe (
RD) Timing
The read strobe timing can be modified in area units by setting bits RDN7 to RDN0 in RDNCR to
1.
Note that the
RD timing with respect to the DACK and EDACK rising edge will change if the
read strobe timing is modified by setting RDNn to 1 when the DMAC or the EXDMAC is used in
the single address mode.
Figure 9.22 shows an example of timing when the read strobe timing is changed in the basic bus 3-
state access space.
Bus cycle
T
1
T
2
Address bus
B
φ
CSn
AS
RD
T
3
Data bus
RD
Data bus
RDNn = 0
RDNn = 1
BS
RD/
WR
DACK or EDACK
1. n = 0 to 7
2. When DKC and EDKC = 0
Notes:
Figure 9.22 Example of Read Strobe Timing



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