Datasheet
Section 18 I
2
C Bus Interface 2 (IIC2) 
    Rev. 3.00 Mar. 15, 2006 Page 351 of 526 
   REJ09B0060-0300 
Bit Bit Name 
Initial 
Value R/W Description 
4  NAKIE  0  R/W  NACK Receive Interrupt Enable 
This bit enables or disables the NACK receive interrupt 
request (NAKI) and the overrun error (setting of the 
OVE bit in ICSR) interrupt request (ERI) with the 
clocked synchronous format, when the NACKF and AL 
bits in ICSR are set to 1. NAKI can be canceled by 
clearing the NACKF, 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 
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 Judgement 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. 
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. 










