M16C6N5 View Datasheet(PDF) - Renesas Electronics
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M16C6N5 Datasheet PDF : 400 Pages
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10.5.4 Interrupt Sequence .......................................................................................................................... 78
10.5.5 Interrupt Response Time .................................................................................................................. 79
10.5.6 Variation of IPL when Interrupt Request is Accepted ....................................................................... 79
10.5.7 Saving Registers .............................................................................................................................. 80
10.5.8 Returning from an Interrupt Routine ................................................................................................ 81
10.5.9 Interrupt Priority ............................................................................................................................... 81
10.5.10 Interrupt Priority Resolution Circuit ................................................................................................ 81
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10.6 INT Interrupt ............................................................................................................................................. 83
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10.7 NMI Interrupt ............................................................................................................................................ 85
10.8 Key Input Interrupt ................................................................................................................................... 85
10.9 CAN0 Wake-up Interrupt .......................................................................................................................... 85
10.10 Address Match Interrupt ......................................................................................................................... 86
11. Watchdog Timer ................................................................................................................ 88
11.1 Count Source Protective Mode ................................................................................................................ 89
12. DMAC ................................................................................................................................ 90
12.1 Transfer Cycle .......................................................................................................................................... 95
12.1.1 Effect of Source and Destination Addresses .................................................................................... 95
12.1.2 Effect of BYTE Pin Level .................................................................................................................. 95
12.1.3 Effect of Software Wait ..................................................................................................................... 95
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12.1.4 Effect of RDY Signal ........................................................................................................................ 95
12.2 DMA Transfer Cycles ............................................................................................................................... 97
12.3 DMA Enable ............................................................................................................................................. 98
12.4 DMA Request ........................................................................................................................................... 98
12.5 Channel Priority and DMA Transfer Timing ............................................................................................. 99
13. Timers ............................................................................................................................. 100
13.1 Timer A ................................................................................................................................................... 102
13.1.1 Timer Mode .................................................................................................................................... 106
13.1.2 Event Counter Mode ...................................................................................................................... 107
13.1.3 One-shot Timer Mode .................................................................................................................... 112
13.1.4 Pulse Width Modulation (PWM) Mode ........................................................................................... 114
13.2 Timer B ................................................................................................................................................... 117
13.2.1 Timer Mode .................................................................................................................................... 120
13.2.2 Event Counter Mode ...................................................................................................................... 121
13.2.3 Pulse Period and Pulse Width Measurement Mode ...................................................................... 122
14. Three-Phase Motor Control Timer Function .................................................................... 125
15. Serial Interface ................................................................................................................ 136
15.1 UARTi ..................................................................................................................................................... 136
15.1.1 Clock Synchronous Serial I/O Mode .............................................................................................. 146
15.1.2 Clock Asynchronous Serial I/O (UART) Mode ............................................................................... 154
15.1.3 Special Mode 1 (I2C Mode) ............................................................................................................ 162
15.1.4 Special Mode 2 .............................................................................................................................. 171
15.1.5 Special Mode 3 (IE Mode) ............................................................................................................. 176
15.1.6 Special Mode 4 (SIM Mode) (UART2) ........................................................................................... 178
15.2 SI/O3 ...................................................................................................................................................... 183
15.2.1 SI/O3 Operation Timing ................................................................................................................. 186
15.2.2 CLK Polarity Selection ................................................................................................................... 186
15.2.3 Functions for Setting an SOUT3 Initial Value ................................................................................. 187
A-3
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