
ML62Q1000 Series User's Manual
Chapter 13 I2C Master
FEUL62Q1000
13-13
13.3 Description of Operation
13.3.1 Master Operation
The following flow charts describe each operation procedure of the master.
13.3.1.1 Initial Setting of Communication Operation
13.3.1.2 Start Condition
Initial setting completed
(move to start condition)
Set I2MnEN=1 in the I2MnMOD register
Initial setting start
Enable operation of I2C function
Set the I2MnSA register
I2MnA6 to I2MnA0 bits: Set slave address
I2MnRW: Set data direction (transmission/reception)
Set slave address and data direction
Confirm communication is stopped
Confirm I2MnST=0 in the I2MnCON register
Start condition completed
(move to slave address transmit
mode)
Start condition start
Start communication
Set I2MnST bit of I2MnCON register to
"
1
"
.
Output the start condition waveform to 2CMn_SDA and
I2CMn_SCL pins.
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...