Renesas R5S72621 Manual Do Utilizador

 

Section 17   I

2

C Bus Interface 3 

R01UH0134EJ0400  Rev. 4.00  

 

Page 861 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

4 

NAKIE 

0 

R/W 

NACK Receive Interrupt Enable 

Enables or disables the NACK detection and arbitration 
lost/overrun error interrupt request (NAKI) when NACKF 
or AL/OVE in ICSR is set to 1. 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. 

3 STIE 0 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. 

2 

ACKE 

0 

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. 

1 ACKBR 

0 R 

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 

0 ACKBT 

0 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.