SH7261 datasheet(773/1348 Pages) RENESAS

773 / 1348 page

Section 17 I

2C Bus Interface 3 (IIC3)

Rev. 2.00 Sep. 07, 2007 Page 741 of 1312

REJ09B0320-0200

Bit

Bit Name

Initial

Value

R/W

Description

NAKIE

R/W

NACK Receive Interrupt Enable

Enables or disables the NACK detection interrupt

request (NAKI) and the overrun error (OVE set in ICSR)

interrupt request (ERI) in the clocked synchronous

format when the NACKF or AL/OVE bit in ICSR is set.

NAKI can be canceled by clearing the NACKF, AL/OVE,

or NAKIE bit to 0.

0: NACK receive interrupt request (NAKI) is disabled.

1: NACK receive interrupt request (NAKI) is enabled.

STIE

R/W

Stop Condition Detection Interrupt Enable

Enables or disables the stop condition detection

interrupt request (STPI) when the STOP bit in ICSR is

set.

0: Stop condition detection interrupt request (STPI) is

disabled.

1: Stop condition detection interrupt request (STPI) is

enabled.

ACKE

R/W

Acknowledge Bit Judgment Select

0: The value of the receive acknowledge bit is ignored,

and continuous transfer is performed.

1: If the receive acknowledge bit is 1, continuous

transfer is halted.

ACKBR

Receive Acknowledge

In transmit mode, this bit stores the acknowledge data

that are returned by the receive device. This bit cannot

be modified. This bit can be canceled by setting the

BBSY bit in ICCR2 to 1.

0: Receive acknowledge = 0

1: Receive acknowledge = 1

ACKBT

R/W

Transmit Acknowledge

In receive mode, this bit specifies the bit to be sent at

the acknowledge timing.

0: 0 is sent at the acknowledge timing.

1: 1 is sent at the acknowledge timing.

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