Chapter 4 Interrupt_________________________________________
4.1 Overview of Interrupt ..................................................................................................................408
4.1.1 Type of Interrupts.................................................................................................................408
4.1.2 Software Interrupts ..............................................................................................................409
4.1.3 Hardware Interrupts .............................................................................................................420
4.1.4 Interrupts and Interrupt Vector Tables .................................................................................421
4.2 Interrupt Control ..........................................................................................................................423
4.2.1 Interrupt Enable Flag ...........................................................................................................425
4.2.2 Interrupt Request Bit............................................................................................................425
4.2.3 Interrupt Priority Level Select Bit and Processor Interrupt Priority Level (IPL) ....................426
4.2.4 Rewrite the interrupt control register....................................................................................427
4.3 Interrupt Sequence .....................................................................................................................428
4.3.1 Interrupt Response Time .....................................................................................................428
4.3.2 Variation of IPL when Interrupt Request is Accepted ..........................................................429
4.3.3 Saving Registers..................................................................................................................430
4.4 Returning from an Interrupt Routine ...........................................................................................432
4.5 Interrupt Priority ..........................................................................................................................432
4.6 Multiple Interrupts .......................................................................................................................434
4.7 Precautions for Interrupts ...........................................................................................................436
Chapter 5 Standard Characteristics___________________________
5.1 Standard DC Characteristics ......................................................................................................440
5.1.1 Standard Ports Characteristics ............................................................................................440
5.1.2 Characteristics of ICC-f(XIN) ...............................................................................................444
5.2 Standard Characteristics of A-D Converter ................................................................................446
5.3 Standard Characteristics of D-A Converter ................................................................................448
5.4 Standard Characteristics of Pull-Up Resistor .............................................................................451