
ML610Q421/ML610Q422 User’s Manual
Contents
Contents – 6
15.3 Description of Operation.............................................................................................................................. 15-9
15.3.1
Communication Operating Mode ........................................................................................................ 15-9
15.3.1.1 Start Condition.................................................................................................................................. 15-9
15.3.1.2 Repeated Start Condition ................................................................................................................. 15-9
15.3.1.3 Slave Address Transmit Mode ......................................................................................................... 15-9
15.3.1.4 Data Transmit Mode......................................................................................................................... 15-9
15.3.1.5 Data Receive Mode .......................................................................................................................... 15-9
15.3.1.6 Control Register Setting Wait State ................................................................................................. 15-9
15.3.1.7 Stop Condition.................................................................................................................................. 15-9
15.3.2
Communication Operation Timing.................................................................................................... 15-10
15.3.3
Operation Waveforms........................................................................................................................ 15-12
15.4 Description of Operation............................................................................................................................ 15-13
15.4.1
Functioning P41(SCL) and P40(SDA) as the I2C ............................................................................ 15-13
Chapter 16
16. NMI Pin............................................................................................................................................................ 16-1
16.1 Overview ...................................................................................................................................................... 16-1
16.1.1
Features ................................................................................................................................................ 16-1
16.1.2
Configuration ....................................................................................................................................... 16-1
16.1.3
List of Pins ........................................................................................................................................... 16-1
16.2 Description of Registers............................................................................................................................... 16-2
16.2.1
List of Registers ................................................................................................................................... 16-2
16.2.2
NMI Data Register (NMID) ................................................................................................................ 16-3
16.2.3
NMI Control Register (NMICON)...................................................................................................... 16-4
16.3 Description of Operation.............................................................................................................................. 16-5
16.3.1
Interrupt Request.................................................................................................................................. 16-5
Chapter 17
17. Port 0 ................................................................................................................................................................ 17-1
17.1 Overview ...................................................................................................................................................... 17-1
17.1.1
Features ................................................................................................................................................ 17-1
17.1.2
Configuration ....................................................................................................................................... 17-1
17.1.3
List of Pins ........................................................................................................................................... 17-1
17.2 Description of Registers............................................................................................................................... 17-2
17.2.1
List of Registers ................................................................................................................................... 17-2
17.2.2
Port 0 Data Register (P0D) .................................................................................................................. 17-3
17.2.3
Port 0 Control Registers 0, 1 (P0CON0, P0CON1) ............................................................................ 17-4
17.2.4
External Interrupt Control Registers 0, 1 (EXICON0, EXICON1).................................................... 17-5
17.2.5
External Interrupt Control Register 2 (EXICON2)............................................................................. 17-6
17.3 Description of Operation.............................................................................................................................. 17-7
17.3.1
External Interrupt/Capture Function.................................................................................................... 17-7
17.3.2
Interrupt Request.................................................................................................................................. 17-7
Chapter 18
18. Port 1 ................................................................................................................................................................ 18-1
18.1 Overview ...................................................................................................................................................... 18-1
18.1.1
Features ................................................................................................................................................ 18-1
18.1.2
Configuration ....................................................................................................................................... 18-1
18.1.3
List of Pins ........................................................................................................................................... 18-1
18.2 Description of Registers............................................................................................................................... 18-2
18.2.1
List of Registers ................................................................................................................................... 18-2
18.2.2
Port 1 Data Register (P1D) .................................................................................................................. 18-3
18.2.3
Port 1 Control Registers 0, 1 (P1CON0, P1CON1) ............................................................................ 18-4
18.3 Description of Operation.............................................................................................................................. 18-5
18.3.1
Input Port Function .............................................................................................................................. 18-5
18.3.2
Secondary Function ............................................................................................................................. 18-5