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M32C87A Datasheet(PDF) 9 Page - Renesas Technology Corp |
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M32C87A Datasheet(HTML) 9 Page - Renesas Technology Corp |
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9 / 627 page  A - 2 8.1.1 Selecting External Address Bus ......................................................................................................... 64 8.1.2 Selecting External Data Bus ............................................................................................................... 64 8.1.3 Selecting Separate Bus/Multiplexed Bus ........................................................................................... 64 8.2 Bus Control ............................................................................................................................................. 66 8.2.1 Address Bus and Data Bus ................................................................................................................. 66 8.2.2 Chip-Select Output ............................................................................................................................. 66 8.2.3 Read/Write Output Signals ................................................................................................................. 68 8.2.4 Bus Timing ......................................................................................................................................... 69 8.2.5 ALE Output ........................................................................................................................................ 77 8.2.6 RDY Input .......................................................................................................................................... 77 8.2.7 HOLD Input ........................................................................................................................................ 78 8.2.8 External Bus States when Accessing Internal Space .......................................................................... 79 8.2.9 BCLK Output ..................................................................................................................................... 79 9. Clock Generation Circuits ............................................................................................................. 80 9.1 Types of the Clock Generation Circuit ................................................................................................... 80 9.1.1 Main Clock ......................................................................................................................................... 89 9.1.2 Sub Clock ........................................................................................................................................... 90 9.1.3 On-Chip Oscillator Clock ................................................................................................................... 91 9.1.4 PLL Clock ........................................................................................................................................... 93 9.2 CPU Clock and BCLK ............................................................................................................................ 94 9.3 Peripheral Function Clock ....................................................................................................................... 94 9.3.1 f1, f8, f32, and f2n .............................................................................................................................. 94 9.3.2 fAD ..................................................................................................................................................... 94 9.3.3 fC32 .................................................................................................................................................... 94 9.3.4 fCAN .................................................................................................................................................. 94 9.4 Clock Output Function ............................................................................................................................ 95 9.5 Power Consumption Control .................................................................................................................. 96 9.5.1 CPU operating mode .......................................................................................................................... 96 9.5.2 Wait Mode .......................................................................................................................................... 98 9.5.3 Stop Mode ......................................................................................................................................... 101 9.6 System Clock Protect Function ............................................................................................................. 104 10. Protection .................................................................................................................................... 105 11. Interrupts ..................................................................................................................................... 106 11.1 Types of Interrupts ................................................................................................................................ 106 11.2 Software Interrupts ................................................................................................................................ 107 11.2.1 Undefined Instruction Interrupt ........................................................................................................ 107 11.2.2 Overflow Interrupt ............................................................................................................................ 107 11.2.3 BRK Interrupt ................................................................................................................................... 107 11.2.4 BRK2 Interrupt ................................................................................................................................. 107 11.2.5 INT Instruction Interrupt .................................................................................................................. 107 11.3 Hardware Interrupts .............................................................................................................................. 108 11.3.1 Special Interrupts .............................................................................................................................. 108 11.3.2 DMACII End-of-Transfer Complete Interrupt ................................................................................. 108 11.3.3 Peripheral Function Interrupt ............................................................................................................ 108 11.4 High-Speed Interrupt ............................................................................................................................. 109 11.5 Interrupts and Interrupt Vectors ............................................................................................................ 110 11.5.1 Fixed Vector Table ........................................................................................................................... 110 |
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