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4.2.2
External Clock Input Method ...............................................................................
82
4.3
Prescaler.............................................................................................................................
83
4.4
Oscillator Halt Function.....................................................................................................
83
4.5
Usage Notes .......................................................................................................................
83
4.5.1
Oscillator Usage Notes .........................................................................................
83
4.5.2
Notes on Board Design.........................................................................................
84
4.5.3
Spread Spectrum Clock Generator Usage Notes .................................................. 85
Section 5
Exception Processing
.....................................................................................
87
5.1
Overview............................................................................................................................ 87
5.1.1
Types of Exception Processing and Priority.........................................................
87
5.1.2
Exception Processing Operations .........................................................................
88
5.1.3
Exception Processing Vector Table...................................................................... 89
5.2
Resets.................................................................................................................................
90
5.2.1
Power-On Reset .................................................................................................... 91
5.2.2
Manual Reset ........................................................................................................ 91
5.3
Address Errors ...................................................................................................................
92
5.3.1
Address Error Exception Processing .................................................................... 93
5.4
Interrupts ............................................................................................................................ 93
5.4.1
Interrupt Priority Level.........................................................................................
94
5.4.2
Interrupt Exception Processing.............................................................................
94
5.5
Exceptions Triggered by Instructions ................................................................................ 94
5.5.1
Trap Instructions...................................................................................................
95
5.5.2
Illegal Slot Instructions.........................................................................................
95
5.5.3
General Illegal Instructions...................................................................................
96
5.6
When Exception Sources Are Not Accepted.....................................................................
96
5.6.1
Immediately after a Delayed Branch Instruction.................................................. 96
5.6.2
Immediately after an Interrupt-Disabled Instruction ............................................ 96
5.7
Stack Status after Exception Processing Ends...................................................................
97
5.8
Notes on Use ...................................................................................................................... 98
5.8.1
Value of Stack Pointer (SP).................................................................................. 98
5.8.2
Value of Vector Base Register (VBR) .................................................................
98
5.8.3
Address Errors Caused by Stacking of Address Error Exception Processing ...... 98
Section 6
Interrupt Controller (INTC)
.........................................................................
99
6.1
Overview............................................................................................................................ 99
6.1.1
Features.................................................................................................................
99
6.1.2
Block Diagram...................................................................................................... 99
6.1.3
Pin Configuration ................................................................................................. 101
6.1.4
Register Configuration ......................................................................................... 101
6.2
Interrupt Sources................................................................................................................ 102
6.2.1
NMI Interrupts ...................................................................................................... 102
6.2.2
User Break Interrupt ............................................................................................. 102
Содержание SH7041 Series
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