LAPIS Semiconductor ML62Q1000 Series User Manual page 505

13.3.1.3 Restart Condition
Communication in progress
Restart condition completed
(move to slave address transmit
13.3.1.4 Slave Address Transmission Mode
Slave address transmit mode
Transmit value of I2C master 0 slave
Acknowledgment signal is received by
Slave address transmit mode
FEUL62Q1000
Restart communication
Start communication
mode)
address register
2
I C
completed
(move to control register
setting wait state)
ML62Q1000 Series User's Manual
Start the restart condition
(I2MnST=1)
Set the I2MnCON register
I2MnRS=1
I2MnST=1
Output restart condition waveform to I2CMn_SDA and
I2CMn_SCL pins.
The value is transmitted from I2CMn_SDA pin in MSB first
by hardware after start condition
I2MnA6 to I2MnA0 bits: Slave address
I2MnRW: Data direction (transmission/reception)
Value transmitted from the I2CMn_SDA pin
is stored in the I2MnRD register
Acknowledgment signal is received by hardware
I2MnACR bit: Acknowledgment data
2
I C master 0 control register (I2MnCON) setting wait state
Chapter 13 I2C Master
13-14