Datasheet

Section 15 I
2
C Bus Interface (IIC)
Rev. 3.00 Sep. 28, 2009 Page 356 of 710
REJ09B0384-0300
Bit Bit Name
Initial
Value
R/W Description
3 ALIE 0 R/W Arbitration Lost Interrupt Enable
Enables or disables IRIC flag setting and interrupt request
when arbitration is lost.
0: Disables interrupt request when arbitration is lost.
1: Enables interrupt request when arbitration is lost.
2 ALSL 0 R/W Arbitration Lost Condition Select
Selects the condition under which arbitration is lost.
0: If the SDA pin state disagrees with the data that I
2
C bus
interface outputs at the rise of SCL and the SCL pin is
driven low by another device.
1: If the SDA pin state disagrees with the data that I
2
C bus
interface outputs at the rise of SCL and the SDA line is
driven low by another device in idle state or after the
start condition instruction was executed.
1
0
FNC1
FNC0
0
0
R/W
R/W
Function Bit
These bits cancel some restrictions on usage. For details,
refer to section 15.6, Usage Notes.
00: Restrictions on operation remaining in effect
01: Setting prohibited
10: Setting prohibited
11: Restrictions on operation canceled