7721 datasheet(284/577 Pages) RENESAS

Numer części	7721

Szczegółowy opis	16-BIT SINGLE-CHIP MICROCOMPUTER

PDF	577 Pages

Scroll/Zoom	100%

Producent	RENESAS [Renesas Technology Corp]

Strona internetowa	http://www.renesas.com

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284 / 577 page

7721 Group User’s Manual

13-5

DMA CONTROLLER

(4)

Continuous transfer mode

s Single transfer mode

1 block of data is transferred once.

For details, refer to section “13.5 Single transfer mode.”

s Repeat transfer mode

1 block of data is transferred repeatedly.

For details, refer to section “13.6 Repeat transfer mode.”

s Array chain transfer mode

Several blocks of data are transferred.

The transfer parameters (transfer source and destination addresses, the number of transfer bytes)

of each block must be located on the memory in series.

For details, refer to section “13.7 Array chain transfer mode.”

s Link array chain transfer mode

Several blocks of data are transferred.

Transfer parameters for each block can be located on the memory in separate, in a unit of 1-

block’s parameters.

For details, refer to section “13.8 Link array chain transfer mode.”

13.1 Overview

7721 Arkusz danych(PDF) 284 Page - Renesas Technology Corp