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Rev. 3.0, 04/02, page viii of xxxviii
6.2
Data Formats ............................................................................................................... 155
6.2.1
Floating-Point Format...................................................................................... 155
6.2.2
Non-Numbers (NaN)....................................................................................... 157
6.2.3
Denormalized Numbers................................................................................... 158
Registers...................................................................................................................... 159
6.3.1
Floating-Point Registers .................................................................................. 159
6.3.2
Floating-Point Status/Control Register (FPSCR).............................................. 161
6.3.3
Floating-Point Communication Register (FPUL).............................................. 162
Rounding..................................................................................................................... 162
Floating-Point Exceptions............................................................................................ 163
Graphics Support Functions ......................................................................................... 164
6.6.1
Geometric Operation Instructions .................................................................... 164
6.6.2
Pair Single-Precision Data Transfer ................................................................. 166
6.3
6.4
6.5
6.6
Section 7
7.1
7.2
7.3
Instruction Set
............................................................................................. 167
Execution Environment................................................................................................ 167
Addressing Modes ....................................................................................................... 169
Instruction Set.............................................................................................................. 173
Section 8
8.1
8.2
8.3
Pipelining
..................................................................................................... 187
Pipelines...................................................................................................................... 187
Parallel-Executability................................................................................................... 194
Execution Cycles and Pipeline Stalling......................................................................... 198
Section 9
9.1
Power-Down Modes
.................................................................................. 215
Overview..................................................................................................................... 215
9.1.1
Types of Power-Down Modes.......................................................................... 215
9.1.2
Register Configuration..................................................................................... 217
9.1.3
Pin Configuration............................................................................................ 217
Register Descriptions................................................................................................... 218
9.2.1
Standby Control Register (STBCR) ................................................................. 218
9.2.2
Peripheral Module Pin High Impedance Control .............................................. 220
9.2.3
Peripheral Module Pin Pull-Up Control............................................................ 220
9.2.4
Standby Control Register 2 (STBCR2)............................................................. 221
9.2.5
Clock Stop Register 00 (CLKSTP00)............................................................... 222
9.2.6
Clock Stop Clear Register 00 (CLKSTPCLR00).............................................. 223
Sleep Mode.................................................................................................................. 224
9.3.1
Transition to Sleep Mode................................................................................. 224
9.3.2
Exit from Sleep Mode...................................................................................... 224
Deep Sleep Mode......................................................................................................... 224
9.4.1
Transition to Deep Sleep Mode........................................................................ 224
9.4.2
Exit from Deep Sleep Mode............................................................................. 225
Pin Sleep Mode............................................................................................................ 225
9.2
9.3
9.4
9.5