A - 3
10.3
CPU Clock and Peripheral Function Clock................................................67
10.3.1
System Clock......................................................................................67
10.3.2
CPU Clock ..........................................................................................67
10.3.3
Peripheral Function Clock (f1, f2, f4, f8, f32) ......................................67
10.3.4
fRING and fRING128..........................................................................67
10.3.5
fRING-fast...........................................................................................67
10.3.6
fRING-S ..............................................................................................67
10.4
Power Control............................................................................................68
10.4.1
Standard Operating Mode ..................................................................68
10.4.2
Wait Mode ..........................................................................................69
10.4.3
Stop Mode ..........................................................................................72
10.5
Oscillation Stop Detection Function ..........................................................74
10.5.1
How to Use Oscillation Stop Detection Function ................................74
10.6
Notes on Clock Generation Circuit ............................................................76
10.6.1
Stop Mode ..........................................................................................76
10.6.2
Wait Mode ..........................................................................................76
10.6.3
Oscillation Stop Detection Function....................................................76
10.6.4
Oscillation Circuit Constants...............................................................76
10.6.5
High-Speed On-Chip Oscillator Clock ................................................76
11. Protection
77
12. Interrupts
78
12.1
Interrupt Overview .....................................................................................78
12.1.1
Types of Interrupts..............................................................................78
12.1.2
Software Interrupts .............................................................................79
12.1.3
Special Interrupts................................................................................80
12.1.4
Peripheral Function Interrupt ..............................................................80
12.1.5
Interrupts and Interrupt Vectors..........................................................81
12.1.6
Interrupt Control..................................................................................83
12.2
INT Interrupt ..............................................................................................91
12.2.1
INT0 Interrupt .....................................................................................91
12.2.2
INT0 Input Filter..................................................................................92
12.2.3
INT1 Interrupt .....................................................................................93
12.2.4
INT3 Interrupt .....................................................................................94
12.3
Key Input Interrupt.....................................................................................96
