H8/3652 Ver la hoja de datos (PDF) - Renesas Electronics

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componentes Descripción

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H8/3652

single-chip microcomputers

Renesas Electronics 

2.9 Application Notes ........................................................................................................... 46

2.9.1 Notes on Data Access ......................................................................................... 46

2.9.2 Notes on Bit Manipulation.................................................................................. 48

2.9.3 Notes on Use of the EEPMOV Instruction......................................................... 54

Section 3 Exception Handling...................................................................................... 55

3.1 Overview......................................................................................................................... 55

3.2 Reset ............................................................................................................................ 55

3.2.1 Overview............................................................................................................. 55

3.2.2 Reset Sequence ................................................................................................... 55

3.2.3 Interrupt Immediately after Reset....................................................................... 57

3.3 Interrupts......................................................................................................................... 57

3.3.1 Overview............................................................................................................. 57

3.3.2 Interrupt Control Registers ................................................................................. 59

3.3.3 External Interrupts .............................................................................................. 68

3.3.4 Internal Interrupts ............................................................................................... 69

3.3.5 Interrupt Operations............................................................................................ 70

3.3.6 Interrupt Response Time..................................................................................... 75

3.4 Application Notes ........................................................................................................... 76

3.4.1 Notes on Stack Area Use .................................................................................... 76

3.4.2 Notes on Rewriting Port Mode Registers ........................................................... 77

Section 4 Clock Pulse Generators ............................................................................... 79

4.1 Overview......................................................................................................................... 79

4.1.1 Block Diagram.................................................................................................... 79

4.1.2 System Clock and Subclock ............................................................................... 79

4.2 System Clock Generator ................................................................................................. 80

4.3 Subclock Generator ........................................................................................................ 83

4.4 Prescalers ........................................................................................................................ 85

4.5 Note on Oscillators ......................................................................................................... 86

Section 5 Power-Down Modes..................................................................................... 87

5.1 Overview......................................................................................................................... 87

5.1.1 System Control Registers ................................................................................... 90

5.2 Sleep Mode ..................................................................................................................... 95

5.2.1 Transition to Sleep Mode.................................................................................... 95

5.2.2 Clearing Sleep Mode .......................................................................................... 95

5.2.3 Clock Frequency in Sleep (Medium-Speed) Mode ............................................ 95

5.3 Standby Mode................................................................................................................. 96

5.3.1 Transition to Standby Mode ............................................................................... 96

5.3.2 Clearing Standby Mode ...................................................................................... 96

5.3.3 Oscillator Settling Time after Standby Mode is Cleared.................................... 97

5.4 Watch Mode.................................................................................................................... 98

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