Maxim Integrated DS4830A Optical Microcontroller - Manual (Page 84)

DS4830A User’s Guide
84
Timeout
?
I2CTOI=1
N
Y
N
Y
Generate
START
I2CSTART=1
I2CSTART=0
I2CBUSY=0
I2CBUSY=1
Repeated
Start
?
I2CBUS = 1
N
Y
START
Detected?
I2CSRI=1
I2CBUS=1
Timeout
?
N
Y
N
Y
Generate
STOP
I2CSPI=1
I2CBUS=0
I2CSTOP=1
I2CSTOP=0
I2CBUSY=0
I2CBUSY=1
STOP
Detected?
I2CTOI=1
Timeout
?
N
Y
N
Y
Transferring
Byte?
Y
N
Transfering
Byte
?
Y
N
START Generation STOP Generation
Figure 10-3: Master I
2
C-Generated START and STOP