M16C30P_07 Datasheet, PDF (9/317 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/30 SERIES

7. Bus ................................................................................................................................................ 34
7.1 Bus Mode ................................................................................................................................................ 34
7.2 Bus Control .............................................................................................................................................. 34
7.2.1 Address Bus ........................................................................................................................................ 34
7.2.2 Data Bus .............................................................................................................................................. 34
7.2.3 Chip Select Signal ............................................................................................................................... 35
7.2.4 Read and Write Signals ....................................................................................................................... 37
7.2.5 ALE Signal ......................................................................................................................................... 37
7.2.6 RDY Signal ......................................................................................................................................... 38
7.2.7 HOLD Signal ...................................................................................................................................... 39
7.2.8 BCLK Output ...................................................................................................................................... 39
7.2.9 External Bus Status When Internal Area Accessed ........................................................................... 41
7.2.10 Software Wait ..................................................................................................................................... 41
8. Memory Space Expansion Function ............................................................................................. 43
8.1 1-Mbyte Mode ......................................................................................................................................... 43
9. Clock Generating Circuit ............................................................................................................... 45
9.1 Types of the Clock Generating Circuit .................................................................................................... 45
9.1.1 Main Clock ......................................................................................................................................... 49
9.1.2 Sub Clock ............................................................................................................................................ 50
9.2 CPU Clock and Peripheral Function Clock ............................................................................................. 51
9.2.1 CPU Clock and BCLK ........................................................................................................................ 51
9.2.2 Peripheral Function Clock (f1, f2, f8, f32, f1SIO, f2SIO, f8SIO, f32SIO, fAD, fC32) ..................... 51
9.3 Clock Output Function ............................................................................................................................ 51
9.4 Power Control .......................................................................................................................................... 52
9.4.1 Normal Operation Mode ..................................................................................................................... 52
9.4.2 Wait Mode .......................................................................................................................................... 53
9.4.3 Stop Mode ........................................................................................................................................... 55
10. Protection ...................................................................................................................................... 60
11. Interrupt ........................................................................................................................................ 61
11.1 Type of Interrupts .................................................................................................................................... 61
11.2 Software Interrupts .................................................................................................................................. 62
11.2.1 Undefined Instruction Interrupt .......................................................................................................... 62
11.2.2 Overflow Interrupt .............................................................................................................................. 62
11.2.3 BRK Interrupt ..................................................................................................................................... 62
11.2.4 INT Instruction Interrupt .................................................................................................................... 62
11.3 Hardware Interrupts ................................................................................................................................. 63
11.3.1 Special Interrupts ................................................................................................................................ 63
11.3.2 Peripheral Function Interrupts ............................................................................................................ 63
11.4 Interrupts and Interrupt Vector ................................................................................................................ 64
11.4.1 Fixed Vector Tables ............................................................................................................................ 64
11.4.2 Relocatable Vector Tables .................................................................................................................. 65
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