
ML62Q1000 Series User's Manual
Chapter 12
I2C Bus Unit
FEUL62Q1000
12-22
12.3.1.3 Restart Condition
12.3.1.4 Slave Address Transmission Mode
Restart condition completed
(move to slave address transmit
mode)
Restart condition start
Restart communication, start
communication
Set I2UM0RS=1 and I2UM0ST=1 in the I2UM0CON register
Output restart condition waveforms to I2CU0_SDA and
I2CU0_SCL pins.
Communication in progress (I2UM0ST=1)
Slave address transmit mode
completed
(move to control register
setting wait state)
Slave address transmit mode
Acknowledgment signal is received by
I
2
C bus 0 status register (I2UM0STA)
Acknowledgment signal is received through hardware
I2UM0ACR bit: Acknowledgment data
Transmit value of I
2
C Bus 0 Slave
Address Register (I2UM0SA)
The value is transmitted from I2CU0_SDA pin in MSB first
through hardware following the start condition
I2UM0A6 to I2UM0A0 bits: Slave address
I2UM0RW: Data direction (transmission/reception)
Value transmitted from the I2CU0_SDA pin is stored in
the I2UM0RD register
I
2
C bus 0 control register (I2UM0CON) setting wait state
Summary of Contents for ML62Q1000 Series
Page 17: ...Chapter 1 Overview...
Page 112: ...Chapter 2 CPU and Memory Space...
Page 154: ...Chapter 3 Reset Function...
Page 166: ...Chapter 4 Power Management...
Page 196: ...Chapter 5 Interrupts...
Page 248: ...Chapter 6 Clock generation Circuit...
Page 274: ...Chapter 7 Low Speed Time Base Counter...
Page 291: ...Chapter 8 16 Bit Timer...
Page 320: ...Chapter 9 Functional Timer FTM...
Page 382: ...Chapter 10 Watchdog Timer...
Page 402: ...Chapter 11 Serial Communication Unit...
Page 456: ...Chapter 12 I2 C Bus Unit...
Page 491: ...Chapter 13 I2 C Master...
Page 512: ...Chapter 14 DMA Controller...
Page 531: ...Chapter 15 Buzzer...
Page 550: ...Chapter 16 Simplified RTC...
Page 559: ...Chapter 17 GPIO...
Page 594: ...Chapter 18 External Interrupt Function...
Page 612: ...Chapter 19 CRC Generator...
Page 632: ...Chapter 20 Analog Comparator...
Page 644: ...Chapter 21 D A Converter...
Page 655: ...Chapter 22 Voltage Level Supervisor...
Page 676: ...Chapter 23 Successive Approximation Type A D Converter...
Page 709: ...Chapter 24 Regulator...
Page 714: ...Chapter 25 Flash Memory...
Page 743: ...Chapter 26 Code Option...
Page 750: ...Chapter 27 LCD Driver...
Page 788: ...Chapter 28 On Chip Debug Function...
Page 795: ...Chapter 29 Safety Function...
Page 813: ...Appendix A...
Page 881: ...Revision History...