HD64F2149YV datasheet(569/1075 Pages) RENESAS

부품명	HD64F2149YV

상세설명	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1075 Pages

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제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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569 / 1075 page

Section 16 I

2C Bus Interface

Rev. 3.00 Jan 18, 2006 page 541 of 1044

REJ09B0280-0300

Start

Initialize

Set MST = 0

and TRS = 0 in ICCR

Set ACKB = 0 in ICSR

Read IRIC in ICCR

IRIC = 1?

Yes

Clear IRIC in ICCR

Read AAS and ADZ in ICSR

AAS = 1

and ADZ = 0?

Read TRS in ICCR

TRS = 0?

Yes

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

Last receive?

Read ICDR

Read IRIC in ICCR

IRIC = 1?

Clear IRIC in ICCR

Set ACKB = 1 in ICSR

Read ICDR

Read IRIC in ICCR

Read ICDR

IRIC = 1?

Clear IRIC in ICCR

End

General call address processing

* Description omitted

Slave transmit mode

[1] Select slave receive mode.

[2] Wait for the first byte to be received (slave

address).

[3] Start receiving. The first read is a dummy read.

[4] Wait for the transfer to end.

[5] Set acknowledge data for the last receive.

[6] Start the last receive.

[7] Wait for the transfer to end.

[8] Read the last receive data.

Figure 16.16 Flowchart for Slave Receive Mode (Example)

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