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H8SX/1663R データシート(PDF) 492 Page - Renesas Technology Corp |
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H8SX/1663R データシート(HTML) 492 Page - Renesas Technology Corp |
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492 / 1504 page ![]() Section 11 EXDMA Controller (EXDMAC) Rev. 2.00 Sep. 24, 2008 Page 460 of 1468 REJ09B0412-0200 11.3.2 EXDMA Destination Address Register (EDDAR) EDDAR is a 32-bit readable/writable register that specifies the transfer destination address. An address update function is provided that updates the register contents to the next transfer destination address each time transfer processing is performed. In single address mode, the EDDAR value is ignored when the address specified by EDSAR is transferred as a source address (DIRS = 0 in EDACR). EDDAR can be read at all times by the CPU. When reading EDDAR for a channel on which EXDMA transfer processing is in progress, a longword-size read must be executed. Do not write to EDDAR for a channel on which EXDMA transfer is in progress. 31 0 R/W 30 0 R/W 29 0 R/W 28 0 R/W 27 0 R/W 24 0 R/W 26 0 R/W 25 0 R/W Bit Bit Name Initial Value R/W 23 0 R/W 22 0 R/W 21 0 R/W 20 0 R/W 19 0 R/W 16 0 R/W 18 0 R/W 17 0 R/W Bit Bit Name Initial Value R/W 15 0 R/W 14 0 R/W 13 0 R/W 12 0 R/W 11 0 R/W 8 0 R/W 10 0 R/W 9 0 R/W Bit Bit Name Initial Value R/W 7 0 R/W 6 0 R/W 5 0 R/W 4 0 R/W 3 0 R/W 0 0 R/W 2 0 R/W 1 0 R/W Bit Bit Name Initial Value R/W |
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