HD6417618 datasheet(444/646 Pages) RENESAS

部件名	HD6417618

功能描述	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series

PDF	646 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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444 / 646 page

Section 15 Host Interface (HIF)

Rev. 6.00 Jun. 12, 2007 Page 412 of 610

REJ09B0131-0600

15.7.3

Consecutive Data Writing to HIFRAM by External Device

Figure 15.6 shows the timing chart for consecutive data transfer from an external device to

HIFRAM. As shown in this timing chart, by setting the start address and the data to be written

first, consecutive data transfer can subsequently be performed.

HIFCS

HIFRS

HIFRD

HIFWR

HIFD15 to HIFD00

0016

AHAL

0018

D0D1

001A

D2D3

000A

00A0

0018

D4D5

D8D9

D6D7

High level

HIFADR setting

[15:8] = AH

[7:0] = AL

Data for first write operation

set in HIFDATA

[31:24] = D0, [23:16] = D1,

[15:8] = D2, [7:0] = D3

HIFMCR setting

Consecutive write

Auto-increment

HIFDATA

selection

Consecutive data writing

Figure 15.6 Consecutive Data Writing to HIFRAM

15.7.4

Consecutive Data Reading from HIFRAM to External Device

Figure 15.7 shows the timing chart for consecutive data reading from HIFRAM to an external

device. As this timing chart indicates, by setting the start address, data can subsequently be read

out consecutively.

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