Renesas H8S/2158 User Manual page 554

2
Section 17 I C Bus Interface (IIC)
Bit Bit Name Initial Value
5 STOP 0
4 ABRT 0
3 ALST 0
Rev. 3.00 Jan 25, 2006 page 500 of 872
REJ09B0286-0300
R/W Description
R/(W) * Stop Condition Detection
0: No stop condition is detected
1: Stop condition is detected
[Clearing conditions]
•
When ICCMD is written to
•
When 0 is written to STOP after reading STOP = 1
[Setting condition]
•
When a stop condition is detected
R Abort
0: Normal end
1: Abort
[Clearing conditions]
•
When ICCMD is written to
•
When 0 is written to ABRT after reading ABRT = 1
[Setting condition]
•
When a start/stop condition is detected during data
transfer
R/(W) * Arbitration Lost
0: Normal operation
1: Arbitration loss is generated
[Clearing conditions]
•
When ICCMD is written to
•
When 0 is written to ALST after reading ALST = 1
[Setting condition]
•
When arbitration loss is generated in master mode
(1) Internal SDA disagrees with the SDA pin level
at rise of SCL
(2) Internal SDA is high when the start condition is
detected