Block Diagram - Renesas H8S/2633 Series Hardware Manual

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Table of Contents

• Module stop mode can be set

 The initial setting enables DMAC registers to be accessed. DMAC operation is halted by

setting module stop mode

Block Diagram

A block diagram of the DMAC is shown in figure 8-1.

Internal interrupts

External pins

Interrupt signals

: DMA write enable register

: DMA terminal control register

: DMA band control register (for all channels)

: DMA control register

: Memory address register

: I/O address register

: Executive transfer counter register

Internal address bus

Control logic

Figure 8-1 Block Diagram of DMAC

Address buffer

Internal data bus