M16C6NK Datasheet, PDF (7/404 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

10.5.4 Interrupt Sequence .......................................................................................................................... 89
10.5.5 Interrupt Response Time .................................................................................................................. 90
10.5.6 Variation of IPL when Interrupt Request is Accepted ....................................................................... 90
10.5.7 Saving Registers .............................................................................................................................. 91
10.5.8 Returning from an Interrupt Routine ................................................................................................ 92
10.5.9 Interrupt Priority ............................................................................................................................... 92
10.5.10 Interrupt Priority Resolution Circuit ................................................................................................ 92
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10.6 INT Interrupt ............................................................................................................................................. 94
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10.7 NMI Interrupt ............................................................................................................................................ 98
10.8 Key Input Interrupt ................................................................................................................................... 98
10.9 CAN0/1 Wake-up Interrupt ....................................................................................................................... 98
10.10 Address Match Interrupt ......................................................................................................................... 99
11. Watchdog Timer .............................................................................................................. 101
11.1 Count Source Protective Mode .............................................................................................................. 102
12. DMAC .............................................................................................................................. 103
12.1 Transfer Cycle ........................................................................................................................................ 108
12.1.1 Effect of Source and Destination Addresses .................................................................................. 108
12.1.2 Effect of BYTE Pin Level ................................................................................................................ 108
12.1.3 Effect of Software Wait ................................................................................................................... 108
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12.1.4 Effect of RDY Signal ...................................................................................................................... 108
12.2 DMA Transfer Cycles ............................................................................................................................. 110
12.3 DMA Enable ........................................................................................................................................... 111
12.4 DMA Request ......................................................................................................................................... 111
12.5 Channel Priority and DMA Transfer Timing ............................................................................................ 112
13. Timers ............................................................................................................................. 113
13.1 Timer A ................................................................................................................................................... 115
13.1.1 Timer Mode .................................................................................................................................... 119
13.1.2 Event Counter Mode ...................................................................................................................... 120
13.1.3 One-shot Timer Mode .................................................................................................................... 125
13.1.4 Pulse Width Modulation (PWM) Mode ........................................................................................... 127
13.2 Timer B ................................................................................................................................................... 130
13.2.1 Timer Mode .................................................................................................................................... 133
13.2.2 Event Counter Mode ...................................................................................................................... 134
13.2.3 Pulse Period and Pulse Width Measurement Mode ...................................................................... 135
14. Three-Phase Motor Control Timer Function .................................................................... 138
15. Serial Interface ................................................................................................................ 149
15.1 UARTi ..................................................................................................................................................... 149
15.1.1 Clock Synchronous Serial I/O Mode .............................................................................................. 159
15.1.2 Clock Asynchronous Serial I/O (UART) Mode ............................................................................... 167
15.1.3 Special Mode 1 (I²C Mode) ............................................................................................................ 175
15.1.4 Special Mode 2 .............................................................................................................................. 184
15.1.5 Special Mode 3 (IE Mode) ............................................................................................................. 189
15.1.6 Special Mode 4 (SIM Mode) (UART2) ........................................................................................... 191
15.2 SI/Oi ....................................................................................................................................................... 196
15.2.1 SI/Oi Operation Timing ................................................................................................................... 200
15.2.2 CLK Polarity Selection ................................................................................................................... 200
15.2.3 Functions for Setting an SOUTi Initial Value .................................................................................. 201
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