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H8SX1663 数据表(PDF) 253 Page - Renesas Technology Corp |
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H8SX1663 数据表(HTML) 253 Page - Renesas Technology Corp |
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253 / 1158 page ![]() Section 6 Bus Controller (BSC) Rev.1.00 Jun. 07, 2006 Page 201 of 1102 REJ09B0294-0100 6.6.5 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 rising edge will change if the read strobe timing is modified by setting RDNn to 1 when the DMAC is used in the single address mode. Figure 6.22 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 1. n = 0 to 7 2. When DKC = 0 Notes: Figure 6.22 Example of Read Strobe Timing |
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