Datasheet

Section 16 I
2
C Bus Interface (IIC) (Optional)
Rev. 3.00 Mar 21, 2006 page 441 of 788
REJ09B0300-0300
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
generation 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: When the SDA pin state disagrees with the data that IIC
bus interface outputs at the rise of SCL, or when the
SCL pin is driven low by another device.
1: When the SDA pin state disagrees with the data that IIC
bus interface outputs at the rise of SCL, or when 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
Cancels some restrictions on usage. For details, refer to
section 16.6, Usage Notes.
00: Restrictions on operation remaining in effect
01: Setting prohibited
10: Setting prohibited
11: Restrictions on operation canceled