Advertisement
2
Section 18 I
C Bus Interface (IIC)
Bit
Bit Name
3
ALIE
2
ALSL
1
FNC1
0
FNC0
Rev. 1.00 Mar. 12, 2008 Page 614 of 1178
REJ09B0403-0100
Initial
Value
R/W
Description
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.
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
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
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.
0
R/W
Function Bit
0
R/W
These bits cancel some restrictions on usage. For details,
refer to section 18.6, Usage Notes.
00: Restrictions on operation remaining in effect
01: Setting prohibited
10: Setting prohibited
11: Restrictions on operation canceled
2
C bus
2
C bus
Advertisement
