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M16C/30P View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
M16C/30P SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Renesas
Renesas Electronics Renesas
M16C/30P Datasheet PDF : 317 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
11.5 Interrupt Control ...................................................................................................................................... 66
11.5.1 I Flag ................................................................................................................................................... 68
11.5.2 IR Bit ................................................................................................................................................... 68
11.5.3 ILVL2 to ILVL0 Bits and IPL ............................................................................................................ 68
11.5.4 Interrupt Sequence .............................................................................................................................. 69
11.5.5 Interrupt Response Time ..................................................................................................................... 70
11.5.6 Variation of IPL when Interrupt Request is Accepted ........................................................................ 70
11.5.7 Saving Registers ................................................................................................................................. 71
11.5.8 Returning from an Interrupt Routine .................................................................................................. 73
11.5.9 Interrupt Priority ................................................................................................................................. 73
11.5.10 Interrupt Priority Resolution Circuit ................................................................................................... 74
11.6 INT Interrupt ............................................................................................................................................ 75
11.7 NMI Interrupt ........................................................................................................................................... 76
11.8 Key Input Interrupt .................................................................................................................................. 76
11.9 Address Match Interrupt .......................................................................................................................... 77
12. Watchdog Timer ............................................................................................................................ 79
13. DMAC ........................................................................................................................................... 81
13.1 Transfer Cycles ........................................................................................................................................ 87
13.1.1 Effect of Source and Destination Addresses ....................................................................................... 87
13.1.2 Effect of BYTE Pin Level .................................................................................................................. 87
13.1.3 Effect of Software Wait ...................................................................................................................... 87
13.1.4 Effect of RDY Signal .......................................................................................................................... 87
13.2 DMA Transfer Cycles ............................................................................................................................. 89
13.3 DMA Enable ............................................................................................................................................ 90
13.4 DMA Request .......................................................................................................................................... 90
13.5 Channel Priority and DMA Transfer Timing .......................................................................................... 91
14. Timers ........................................................................................................................................... 92
14.1 Timer A ................................................................................................................................................... 94
14.1.1 Timer Mode ........................................................................................................................................ 99
14.1.2 Event Counter Mode ......................................................................................................................... 101
14.1.3 One-shot Timer Mode ....................................................................................................................... 105
14.1.4 Pulse Width Modulation (PWM) Mode ............................................................................................ 107
14.2 Timer B .................................................................................................................................................. 110
14.2.1 Timer Mode ...................................................................................................................................... 113
14.2.2 Event Counter Mode ......................................................................................................................... 114
14.2.3 Pulse Period and Pulse Width Measurement Mode .......................................................................... 116
15. Serial Interface ............................................................................................................................. 119
15.1 UARTi (i=0 to 2) ................................................................................................................................... 119
15.1.1 Clock Synchronous Serial I/O Mode ................................................................................................ 130
15.1.2 Clock Asynchronous Serial I/O (UART) Mode ............................................................................... 138
15.1.3 Special Mode 1 (I2C mode) .............................................................................................................. 146
15.1.4 Special Mode 2 ................................................................................................................................. 156
15.1.5 Special Mode 3 (IE mode)(UART2) ................................................................................................ 161
15.1.6 Special Mode 4 (SIM Mode) (UART2) ............................................................................................ 163
A-3
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