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H8/3003 数据表(PDF) 191 Page - Renesas Technology Corp |
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H8/3003 数据表(HTML) 191 Page - Renesas Technology Corp |
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191 / 715 page ![]() Section 8 DMA Controller 8.1 Overview The H8/3003 has an on-chip DMA controller (DMAC) that can transfer data on up to eight channels. 8.1.1 Features DMAC features are listed below. • Selection of short address mode or full address mode Short address mode — 8-bit source address and 24-bit destination address, or vice versa — Maximum eight channels available — Selection of I/O mode, idle mode, or repeat mode Full address mode — 24-bit source and destination addresses — Maximum four channels available — Selection of normal mode or block transfer mode • Directly addressable 16-Mbyte address space • Selection of byte or word transfer • Activation by internal interrupts, external requests, or auto-request (depending on transfer mode) — ITU compare match/input capture interrupts (four) — SCI transmit-data-empty/receive-data-full interrupts — External requests — Auto-request 173 |
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