SH7058 Datasheet, PDF (25/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

3.3.4 Other Special Values............................................................................................ 67
3.4 Floating-Point Exception Model ....................................................................................... 68
3.4.1 Enable State Exceptions....................................................................................... 68
3.4.2 Disable State Exceptions...................................................................................... 68
3.4.3 FPU Exception Event and Code........................................................................... 68
3.4.4 Floating-Point Data Arrangement in Memory ..................................................... 68
3.4.5 Arithmetic Operations Involving Special Operands ............................................ 68
3.5 Synchronization with CPU................................................................................................ 69
3.6 Usage Notes ...................................................................................................................... 70
Section 4 Operating Modes ...............................................................................71
4.1 Operating Mode Selection ................................................................................................ 71
Section 5 Clock Pulse Generator (CPG)............................................................73
5.1 Overview........................................................................................................................... 73
5.1.1 Block Diagram ..................................................................................................... 73
5.1.2 Pin Configuration................................................................................................. 74
5.1.3 Related Register ................................................................................................... 74
5.2 Frequency Ranges and Clock Selection ............................................................................ 74
5.2.1 Frequency Ranges................................................................................................ 74
5.2.2 Clock Selection .................................................................................................... 75
5.2.3 Notes on Register Access..................................................................................... 76
5.3 Clock Source..................................................................................................................... 77
5.3.1 Connecting a Crystal Oscillator ........................................................................... 77
5.3.2 External Clock Input Method............................................................................... 78
5.4 Oscillation Stop Detection Function ................................................................................. 79
5.4.1 Overview.............................................................................................................. 79
5.4.2 Settings of Oscillation Stop Detection Function .................................................. 79
5.4.3 Related Register ................................................................................................... 81
5.4.4 Precautions for Performing Oscillation Stop Detection Function........................ 81
5.5 Usage Notes ...................................................................................................................... 82
Section 6 Exception Processing.........................................................................85
6.1 Overview........................................................................................................................... 85
6.1.1 Types of Exception Processing and Priority ........................................................ 85
6.1.2 Exception Processing Operations......................................................................... 86
6.1.3 Exception Processing Vector Table ..................................................................... 87
6.2 Resets ................................................................................................................................ 90
6.2.1 Types of Reset ..................................................................................................... 90
6.2.2 Power-On Reset ................................................................................................... 90
6.2.3 Manual Reset ....................................................................................................... 91
6.3 Address Errors .................................................................................................................. 92
6.3.1 Address Error Sources ......................................................................................... 92
Rev. 3.0, 09/04, page xxii of xxxviii