H8SXSLASH1663 datasheet(877/1158 Pages) RENESAS

部件名	H8SX/1663

功能描述	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1158 Pages

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制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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Section 17 I

2C Bus Interface 2 (IIC2)

Rev.1.00 Jun. 07, 2006 Page 825 of 1102

REJ09B0294-0100

Bit

Bit Name

Initial

Value

R/W

Description

BC2

BC1

BC0

R/W

Bit Counter 2 to 0

These bits specify the number of bits to be transferred

next. The settings of these bits should be made during

intervals between transfer frames. When setting these

bits to a value other than 000, the setting should be

made while the SCL line is low. The value return to 000

at the end of a data transfer including the acknowledge

bit.

000: 9

001: 2

010: 3

011: 4

100: 5

101: 6

110: 7

111: 8

2C control module can be reset without setting the

ports and initializing the registers.

17.3.4

2C Bus Interrupt Enable Register (ICIER)

ICIER enables or disables interrupt sources and the acknowledge bits, sets the acknowledge bits to

be transferred, and confirms the acknowledge bit to be received.

Bit

Bit Name

Initial Value

R/W

TIE

R/W

TEIE

R/W

RIE

R/W

NAKIE

R/W

STIE

R/W

ACKE

R/W

ACKBR

ACKBT

R/W

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