Hitachi SH7095 Hardware User Manual page 4

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4.1.1
Types of Exception Processing and Priority Order....................................... 53
4.1.2
Exception Processing Operations ............................................................. 54
4.1.3
Exception Processing Vector Table .......................................................... 55
4.2
Resets............................................................................................................ 57
4.2.1
Types of Resets .................................................................................... 57
4.2.2
Power-On Reset ................................................................................... 57
4.2.3
Manual Reset....................................................................................... 58
4.3
Address Errors ................................................................................................ 59
4.3.1
Sources of Address Errors ...................................................................... 59
4.3.2
Address Error Exception Processing......................................................... 60
4.4
Interrupts ....................................................................................................... 60
4.4.1
Interrupt Sources .................................................................................. 60
4.4.2
Interrupt Priority Level .......................................................................... 61
4.4.3
Interrupt Exception Processing ................................................................ 61
4.5
Exceptions Triggered by Instructions................................................................... 62
4.5.1
Instruction-Triggered Exception Types ..................................................... 62
4.5.2
Trap Instructions .................................................................................. 62
4.5.3
Illegal Slot Instructions .......................................................................... 63
4.5.4
General Illegal Instructions..................................................................... 63
4.6
When Exception Sources are Not Accepted .......................................................... 63
4.6.1
Immediately after a Delay Branch Instruction............................................. 64
4.6.2
Immediately after an Interrupt-Disabled Instruction..................................... 64
4.7
Stack Status after Exception Processing Ends........................................................ 64
4.8
Notes on Use .................................................................................................. 65
4.8.1
Value of Stack Pointer (SP) .................................................................... 65
4.8.2
Value of Vector Base Register (VBR)....................................................... 65
4.8.3
4.8.4
Accessing Registers during a Manual Reset ............................................... 65
5.1
Overview ....................................................................................................... 67
5.1.1
Features .............................................................................................. 67
5.1.2
Block Diagram..................................................................................... 67
5.1.3
Pin Configuration ................................................................................. 69
5.1.4
Register Configuration........................................................................... 69
5.2
Interrupt Sources ............................................................................................. 70
5.2.1
NMI Interrupts ..................................................................................... 70
5.2.2
User Break Interrupt.............................................................................. 70
5.2.3
IRL Interrupts ...................................................................................... 71
5.2.4
On-chip Peripheral Module Interrupts....................................................... 74
5.2.5
Interrupt Exception Vectors and Priority Rankings ...................................... 74
5.3
Description of Registers.................................................................................... 76
5.3.1
Interrupt Priority Level Setting Register A (IPRA) ...................................... 76
............................................................... 67
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