HD64F2357F20V Datasheet, PDF(271/1049 Page) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

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HD64F2357F20V Datasheet, PDF (271/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

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Section 8 Data Transfer Controller

8.1 Overview

The H8S/2357 Group includes a data transfer controller (DTC). The DTC can be activated by an interrupt or software, to

transfer data.

8.1.1 Features

The features of the DTC are:

â¢ Transfer possible over any number of channels

ï£§ Transfer information is stored in memory

ï£§ One activation source can trigger a number of data transfers (chain transfer)

â¢ Wide range of transfer modes

ï£§ Normal, repeat, and block transfer modes available

ï£§ Incrementing, decrementing, and fixing of source and destination addresses can be selected

â¢ Direct specification of 16-Mbyte address space possible

ï£§ 24-bit transfer source and destination addresses can be specified

â¢ Transfer can be set in byte or word units

â¢ A CPU interrupt can be requested for the interrupt that activated the DTC

ï£§ An interrupt request can be issued to the CPU after one data transfer ends

ï£§ An interrupt request can be issued to the CPU after the specified data transfers have completely ended

â¢ Activation by software is possible

â¢ Module stop mode can be set

ï£§ The initial setting enables DTC registers to be accessed. DTC operation is halted by setting module stop mode.

Rev.6.00 Oct.28.2004 page 241 of 1016

REJ09B0138-0600H

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