H8SSLASH2225 datasheet(321/1071 Pages) RENESAS

部件名	H8S/2225

功能描述	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	1071 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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321 / 1071 page

Section 8 DMA Controller (DMAC)

Rev. 5.00 Aug 08, 2006 page 235 of 982

REJ09B0054-0500

Transfer Mode

Transfer Source

Remarks

Normal mode

(1) Auto-request

• Transfer request is internally held

• Number of transfers (1 to 65,536)

is continuously sent

• Burst/cycle steal transfer can be

selected

• Auto-request

Full

address

mode

(2) External request

• 1-byte or 1-word transfer for a

single transfer request

• Number of transfers: 1 to 65,536

• External request

• Max. 2-channel

operation,

combining

channels A and B

Block transfer mode

• Transfer of 1-block, size selected

for a single transfer request

• Number of transfers: 1 to 65,536

• Source or destination can be

selected as block area

• Block size: 1 to 256 bytes or word

• TPU channel 0 to

5 compare

match/input

capture A interrupt

• SCI transmit-data-

empty interrupt

• SCI receive-data-

full interrupt

• A/D converter

conversion end

interrupt

• External request

H8S/2225 数据表(PDF) 321 Page - Renesas Technology Corp

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