M16C6N4 Datasheet, PDF (7/406 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

10.5.4 Interrupt Sequence .......................................................................................................................... 83
10.5.5 Interrupt Response Time .................................................................................................................. 84
10.5.6 Variation of IPL when Interrupt Request is Accepted ....................................................................... 84
10.5.7 Saving Registers .............................................................................................................................. 85
10.5.8 Returning from an Interrupt Routine ................................................................................................ 86
10.5.9 Interrupt Priority ............................................................................................................................... 86
10.5.10 Interrupt Priority Resolution Circuit ................................................................................................ 86
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10.6 INT Interrupt ............................................................................................................................................. 88
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10.7 NMI Interrupt ............................................................................................................................................ 90
10.8 Key Input Interrupt ................................................................................................................................... 90
10.9 CAN0/1 Wake-up Interrupt ....................................................................................................................... 90
10.10 Address Match Interrupt ......................................................................................................................... 91
11. Watchdog Timer ................................................................................................................ 93
11.1 Count Source Protective Mode ................................................................................................................ 94
12. DMAC ................................................................................................................................ 95
12.1 Transfer Cycle ........................................................................................................................................ 100
12.1.1 Effect of Source and Destination Addresses .................................................................................. 100
12.1.2 Effect of BYTE Pin Level ................................................................................................................ 100
12.1.3 Effect of Software Wait ................................................................................................................... 100
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12.1.4 Effect of RDY Signal ...................................................................................................................... 100
12.2 DMA Transfer Cycles ............................................................................................................................. 102
12.3 DMA Enable ........................................................................................................................................... 103
12.4 DMA Request ......................................................................................................................................... 103
12.5 Channel Priority and DMA Transfer Timing ............................................................................................ 104
13. Timers ............................................................................................................................. 105
13.1 Timer A ................................................................................................................................................... 107
13.1.1 Timer Mode .................................................................................................................................... 111
13.1.2 Event Counter Mode ...................................................................................................................... 112
13.1.3 One-shot Timer Mode .................................................................................................................... 117
13.1.4 Pulse Width Modulation (PWM) Mode ........................................................................................... 119
13.2 Timer B ................................................................................................................................................... 122
13.2.1 Timer Mode .................................................................................................................................... 125
13.2.2 Event Counter Mode ...................................................................................................................... 126
13.2.3 Pulse Period and Pulse Width Measurement Mode ...................................................................... 127
14. Three-Phase Motor Control Timer Function .................................................................... 130
15. Serial Interface ................................................................................................................ 141
15.1 UARTi ..................................................................................................................................................... 141
15.1.1 Clock Synchronous Serial I/O Mode .............................................................................................. 151
15.1.2 Clock Asynchronous Serial I/O (UART) Mode ............................................................................... 159
15.1.3 Special Mode 1 (I²C Mode) ............................................................................................................ 167
15.1.4 Special Mode 2 .............................................................................................................................. 176
15.1.5 Special Mode 3 (IE Mode) ............................................................................................................. 181
15.1.6 Special Mode 4 (SIM Mode) (UART2) ........................................................................................... 183
15.2 SI/O3 ...................................................................................................................................................... 188
15.2.1 SI/O3 Operation Timing ................................................................................................................. 191
15.2.2 CLK Polarity Selection ................................................................................................................... 191
15.2.3 Functions for Setting an SOUT3 Initial Value ................................................................................. 192
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