SH7055S Datasheet, PDF (24/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

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 ...................................................................................................................... 69
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
5.2 Frequency Ranges............................................................................................................. 74
5.3 Clock Source..................................................................................................................... 75
5.3.1 Connecting a Crystal Oscillator ........................................................................... 75
5.3.2 External Clock Input Method............................................................................... 76
5.4 Usage Notes ...................................................................................................................... 77
Section 6 Exception Processing.........................................................................79
6.1 Overview........................................................................................................................... 79
6.1.1 Types of Exception Processing and Priority ........................................................ 79
6.1.2 Exception Processing Operations......................................................................... 80
6.1.3 Exception Processing Vector Table ..................................................................... 81
6.2 Resets ................................................................................................................................ 84
6.2.1 Types of Reset ..................................................................................................... 84
6.2.2 Power-On Reset ................................................................................................... 84
6.2.3 Manual Reset ....................................................................................................... 85
6.3 Address Errors .................................................................................................................. 86
6.3.1 Address Error Sources ......................................................................................... 86
6.3.2 Address Error Exception Processing.................................................................... 87
6.4 Interrupts........................................................................................................................... 87
6.4.1 Interrupt Sources.................................................................................................. 87
6.4.2 Interrupt Priority Level ........................................................................................ 88
6.4.3 Interrupt Exception Processing ............................................................................ 88
6.5 Exceptions Triggered by Instructions ............................................................................... 89
6.5.1 Types of Exceptions Triggered by Instructions ................................................... 89
6.5.2 Trap Instructions .................................................................................................. 89
6.5.3 Illegal Slot Instructions ........................................................................................ 90
Rev.2.0, 07/03, page xxiv of xxxviii