H8SX1663 datasheet(795/1158 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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795 / 1158 page

Section 15 Serial Communication Interface (SCI, IrDA, CRC)

Rev.1.00 Jun. 07, 2006 Page 743 of 1102

REJ09B0294-0100

TE bit

SCK

output pin

TxD

output pin

Port input/output

Port

input/output

Port

input/output

High output*

Marking output

Transmission start

Transmission end

Transition to

software standby

mode

Software standby

mode canceled

SCI TxD output

Port

SCI

TxD output

Last TxD bit retained

Note: * Initialized in software standby mode

Figure 15.41 Port Pin States during Software Standby Mode Transition

(Internal Clock, Clocked Synchronous Transmission)

(Setting is Prohibited in SCI_5 and SCI_6)

Start reception

Reception

[1]

Yes

Read receive data in RDR

Read RDRF flag in SSR

Make transition to

software standby mode

Cancel software standby mode

RE = 0

Initialization

RE = 1

[2]

Change operating mode?

RDRF = 1

[1] Data being received will be invalid.

[2] Setting of the module stop state is included.

Figure 15.42 Sample Flowchart for Software Standby Mode Transition during Reception

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