6.3 CPU Clock and Peripheral Function Clock ................................................................ 23
6.3.1 CPU Clock .............................................................................................................................................. 23
6.3.2 Peripheral Function Clock (f
1
, f
2
, f
8
, f
32
, f
AD
, f
1SIO
, f
8SIO
, f
32SIO
) ....................................................... 23
6.3.3 f
RING
and f
RING128 ...................................................................................................................................................................
23
6.4 Power Control ............................................................................................................... 24
6.4.1 Normal Operation Mode ....................................................................................................................... 24
6.4.2 Wait Mode .............................................................................................................................................. 25
6.4.3 Stop Mode .............................................................................................................................................. 26
6.5 Oscillation Stop Detection Function ........................................................................... 28
6.5.1 How to Use Oscillation Stop Detection Function .............................................................................. 28
Chapter 7. Protection .......................................................... 30
Chapter 8. Processor Mode ................................................ 31
8.1 Types of Processor Mode ............................................................................................ 31
Chapter 9. Bus ..................................................................... 32
Chapter 10. Interrupt ........................................................... 33
10.1 Interrupt Overview ...................................................................................................... 33
10.1.1 Type of Interrupts ................................................................................................................................ 33
10.1.2 Software Interrupts ............................................................................................................................. 34
10.1.3 Hardware Interrupts ............................................................................................................................ 35
10.1.4 Interrupts and Interrupt Vector .......................................................................................................... 36
10.1.5 Interrupt Control ................................................................................................................................. 38
______
10.2 INT Interrupt ................................................................................................................ 46
________
10.2.1 INT0 Interrupt ...................................................................................................................................... 46
_______
10.2.2 INT0 Input Filter ................................................................................................................................... 47
______
______
10.2.3 INT1 Interrupt and INT2 Interrupt ...................................................................................................... 48
______
10.2.4 INT3 Interrupt ...................................................................................................................................... 49
10.3 Key Input Interrupt ..................................................................................................... 50
10.4 Address Match Interrupt ............................................................................................ 51
Chapter 11. Watchdog Timer .............................................. 53
Chapter 12. Timers .............................................................. 55
12.1 Timer X ........................................................................................................................... 56
12.1.1 Timer Mode .......................................................................................................................................... 58
12.1.2 Pulse Output Mode ............................................................................................................................. 59
12.1.3 Event Counter Mode ........................................................................................................................... 60
12.1.4 Pulse Width Measurement Mode ....................................................................................................... 61
12.1.5 Pulse Period Measurement Mode ..................................................................................................... 63
12.2 Timer Y ........................................................................................................................... 65
12.2.1 Timer Mode .......................................................................................................................................... 68
12.2.2 Programmable Waveform Generation Mode .................................................................................... 70
12.3 Timer Z ........................................................................................................................... 73
12.3.1 Timer Mode .......................................................................................................................................... 76
12.3.2 Programmable Waveform Generation Mode .................................................................................... 78
A-2
RENESAS [ RENESAS TECHNOLOGY CORP ]
