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M16C/6NM View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
M16C/6NM 16-BIT SINGLE-CHIP MICROCOMPUTER Renesas
Renesas Electronics Renesas
M16C/6NM Datasheet PDF : 404 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
7.2 Bus Control ................................................................................................................................................ 46
7.2.1 Address Bus ....................................................................................................................................... 46
7.2.2 Data Bus ............................................................................................................................................ 46
7.2.3 Chip Select Signal .............................................................................................................................. 46
7.2.4 Read and Write Signals ..................................................................................................................... 48
7.2.5 ALE Signal ......................................................................................................................................... 48
________
7.2.6 RDY Signal ........................................................................................................................................ 49
7.2.8 BCLK Output ...................................................................................................................................... 50
__________
7.2.7 HOLD Signal ...................................................................................................................................... 50
7.2.9 External Bus Status When Internal Area Accessed ........................................................................... 52
7.2.10 Software Wait ................................................................................................................................... 52
8. Clock Generating Circuit ..................................................................................................... 56
8.1 Types of Clock Generating Circuit.............................................................................................................. 56
8.1.1 Main Clock ......................................................................................................................................... 64
8.1.2 Sub Clock ........................................................................................................................................... 65
8.1.3 On-chip Oscillator Clock .................................................................................................................... 66
8.1.4 PLL Clock ........................................................................................................................................... 66
8.2 CPU Clock and Peripheral Function Clock ................................................................................................ 68
8.2.1 CPU Clock and BCLK ........................................................................................................................ 68
8.2.2 Peripheral Function Clock .................................................................................................................. 68
8.3 Clock Output Function ............................................................................................................................... 68
8.4 Power Control ............................................................................................................................................ 69
8.4.1 Normal Operation Mode ..................................................................................................................... 69
8.4.2 Wait Mode .......................................................................................................................................... 71
8.4.3 Stop Mode .......................................................................................................................................... 73
8.5 Oscillation Stop and Re-oscillation Detection Function ............................................................................. 78
8.5.1 Operation When CM27 Bit = 0 (Oscillation Stop Detection Reset) .................................................... 78
8.5.2 Operation When CM27 Bit = 1 (Oscillation Stop, Re-oscillation Detection Interrupt) ........................ 78
8.5.3 How to Use Oscillation Stop and Re-oscillation Detection Function .................................................. 79
9. Protection ............................................................................................................................ 80
10. Interrupt ............................................................................................................................. 81
10.1 Type of Interrupts ..................................................................................................................................... 81
10.2 Software Interrupts ................................................................................................................................... 82
10.2.1 Undefined Instruction Interrupt ......................................................................................................... 82
10.2.2 Overflow Interrupt ............................................................................................................................ 82
10.2.3 BRK Interrupt ................................................................................................................................... 82
10.2.4 INT Instruction Interrupt ................................................................................................................... 82
10.3 Hardware Interrupts ................................................................................................................................. 83
10.3.1 Special Interrupts ............................................................................................................................. 83
10.3.2 Peripheral Function Interrupts .......................................................................................................... 83
10.4 Interrupts and Interrupt Vector ................................................................................................................. 84
10.4.1 Fixed Vector Tables .......................................................................................................................... 84
10.4.2 Relocatable Vector Tables ............................................................................................................... 84
10.5 Interrupt Control ....................................................................................................................................... 86
10.5.1 I Flag ................................................................................................................................................ 88
10.5.2 IR Bit ................................................................................................................................................ 88
10.5.3 ILVL2 to ILVL0 Bits and IPL ............................................................................................................. 88
A-2
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