Dma Access Operation - Fujitsu FR60 Hardware Manual

32-bit microcontroller mb91301 series

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Table of Contents

CHAPTER 4 EXTERNAL BUS INTERFACE

4.10 DMA Access Operation

This section explains DMA access operation.

■ DMA Access Operation

This section explains the following nine DMA operations:

DMA fly-by transfer (I/O -> memory)

DMA fly-by transfer (memory -> I/O)

DMA fly-by transfer (I/O -> SDRAM/FCRAM)

DMA fly-by transfer (SDRAM/FCRAM -> I/O)

2-cycle transfer (internal RAM -> external I/O, RAM)

2-cycle transfer (external -> I/O)

2-cycle transfer (I/O -> external)

2-cycle transfer (I/O -> SDRAM/FCRAM)

2-cycle transfer (SDRAM/FCRAM -> I/O)