HD6417750RF240DV Datasheet, PDF (16/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

5.5.3 Exception Requests and BL Bit ............................................................................ 158
5.5.4 Return from Exception Handling.......................................................................... 158
5.6 Description of Exceptions.................................................................................................. 158
5.6.1 Resets.................................................................................................................... 159
5.6.2 General Exceptions............................................................................................... 164
5.6.3 Interrupts............................................................................................................... 178
5.6.4 Priority Order with Multiple Exceptions .............................................................. 181
5.7 Usage Notes ....................................................................................................................... 182
5.8 Restrictions ........................................................................................................................ 183
Section 6 Floating-Point Unit (FPU)................................................................. 185
6.1 Overview............................................................................................................................ 185
6.2 Data Formats...................................................................................................................... 185
6.2.1 Floating-Point Format........................................................................................... 185
6.2.2 Non-Numbers (NaN) ............................................................................................ 187
6.2.3 Denormalized Numbers ........................................................................................ 188
6.3 Registers ............................................................................................................................ 189
6.3.1 Floating-Point Registers ....................................................................................... 189
6.3.2 Floating-Point Status/Control Register (FPSCR) ................................................. 191
6.3.3 Floating-Point Communication Register (FPUL) ................................................. 192
6.4 Rounding............................................................................................................................ 193
6.5 Floating-Point Exceptions.................................................................................................. 193
6.6 Graphics Support Functions............................................................................................... 195
6.6.1 Geometric Operation Instructions......................................................................... 195
6.6.2 Pair Single-Precision Data Transfer...................................................................... 196
6.7 Usage Notes ....................................................................................................................... 197
6.7.1 Rounding Mode and Underflow Flag ................................................................... 197
6.7.2 Setting of Overflow Flag by FIPR or FTRV Instruction ...................................... 198
6.7.3 Sign of Operation Result when Using FIPR or FTRV Instruction ....................... 199
6.7.4 Notes on Double-Precision FADD and FSUB Instructions .................................. 199
6.7.5 Notes on FPU Double-Precision Operation Instructions (SH7750 Only)............. 200
Section 7 Instruction Set.................................................................................... 209
7.1 Execution Environment ..................................................................................................... 209
7.2 Addressing Modes ............................................................................................................. 211
7.3 Instruction Set .................................................................................................................... 215
7.4 Usage Notes ....................................................................................................................... 227
7.4.1 Notes on TRAPA Instruction, SLEEP Instruction, and Undefined Instruction
(H'FFFD) .............................................................................................................. 227
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R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013