H8SX1663 datasheet(410/1158 Pages) RENESAS

Part #	H8SX1663

Description	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1158 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Section 7 DMA Controller (DMAC)

Rev.1.00 Jun. 07, 2006 Page 358 of 1102

REJ09B0294-0100

Figure 7.16 shows examples when the extended repeat area function is used in block transfer

mode.

External memory

Area specified

by DSAR

1st block

transfer

2nd block

transfer

H'23FFFE

H'23FFFF

H'240000

H'240001

H'240002

H'240003

H'240004

H'240005

H'240006

H'240007

H'240008

H'240009

H'240000

H'240001

H'240002

H'240003

H'240004

H'240005

H'240006

H'240007

H'240000

H'240001

H'240002

H'240003

H'240004

H'240000

H'240001

H'240005

H'240006

H'240007

Interrupt

request

generated

Block transfer

continued

When the are represented by the lower three bits (eight bytes) of DSAR are specified as the extended

repeat area (SARA4 to SARA0 = 3) and the block size in block transfer mode is specified to 5 (bits 23

to 16 in DTCR = 5).

Figure 7.16 Example of Extended Repeat Area Function in Block Transfer Mode

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