HD6413002 Datasheet, PDF (193/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

Section 8 DMA Controller
8.1 Overview
The H8/3002 has an on-chip DMA controller (DMAC) that can transfer data on up to four
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 four channels available
— Selection of I/O mode, idle mode, or repeat mode
Full address mode
— 24-bit source and destination addresses
— Maximum two 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)
— 16-bit integrated timer unit (ITU) compare match/input capture interrupts (four)
— Serial communication interface (SCI) transmit-data-empty/receive-data-full interrupts
— External requests
— Auto-request
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