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SH7041A 数据表(PDF) 280 Page - Renesas Technology Corp |
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SH7041A 数据表(HTML) 280 Page - Renesas Technology Corp |
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280 / 923 page ![]() 242 Transfer source address (H) Transfer source address (L) Indirect address NOP Transfer destination address Indirect address (H) Indirect address (L) Transfer data Transfer data Transfer data Transfer data Transfer data Transfer source address *1 Indirect address *2 Indirect address NOP Indirect address Address read cycle (1st) (2nd) (3rd) NOP cycle Data read cycle (4th) Data write cycle CK A21–A0 CSn D15–D0 Internal address bus Internal data bus DMAC indirect address buffer DMAC data buffer RD WRH, WRL Notes: *1 *2 The internal address bus is controlled by the port and does not change. DMAC does not fetch value until 32-bit data is read from the internal data bus. External memory space has 16-bit width. Figure 11.10 Dual Address Mode and Indirect Address Transfer Timing Example 1 (External Memory Space to External Memory Space) |
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