Renesas RX100 Series User Manual page 11

11.2.2 Module Stop Control Register A (MSTPCRA) ........................................................................ 172
11.2.3 Module Stop Control Register B (MSTPCRB) ........................................................................ 173
11.2.4 Module Stop Control Register C (MSTPCRC) ........................................................................ 174
11.2.5 Operating Power Control Register (OPCCR) ........................................................................... 175
11.3 Reducing Power Consumption by Switching Clock Signals ............................................................. 177
11.4 Module Stop Function ....................................................................................................................... 177
11.5 Function for Lower Operating Power Consumption ......................................................................... 178
11.5.1 Setting Operating Power Control Mode ................................................................................... 178
11.6 Low Power Consumption Modes ...................................................................................................... 179
11.6.1 Sleep Mode ............................................................................................................................... 179
11.6.1.1
11.6.1.2
11.6.2 Deep Sleep Mode ...................................................................................................................... 181
11.6.2.1
11.6.2.2
11.6.3 Software Standby Mode ........................................................................................................... 183
11.6.3.1
11.6.3.2
11.6.3.3
11.7 Usage Notes ....................................................................................................................................... 186
11.7.1 I/O Port States ........................................................................................................................... 186
11.7.2 Module Stop State of DTC ....................................................................................................... 186
11.7.3 On-Chip Peripheral Module Interrupts ..................................................................................... 186
11.7.4 Write Access to MSTPCRA, MSTPCRB, and MSTPCRC ..................................................... 186
11.7.5 Timing of WAIT Instructions ................................................................................................... 186
11.7.6 Rewrite the Register by DTC in Sleep Mode ........................................................................... 186
12. Register Write Protection Function .............................................................................................. 187
12.1 Register Descriptions ......................................................................................................................... 188
12.1.1 Protect Register (PRCR) ........................................................................................................... 188
13. Exception Handling ...................................................................................................................... 189
13.1 Exception Events ............................................................................................................................... 189
Undefined Instruction Exception .............................................................................................. 190
13.1.1
13.1.2 Privileged Instruction Exception .............................................................................................. 190
13.1.3 Floating-Point Exception .......................................................................................................... 190
13.1.4 Reset ......................................................................................................................................... 190
13.1.5 Non-Maskable Interrupt ........................................................................................................... 190
13.1.6 Interrupts ................................................................................................................................... 190
13.1.7 Unconditional Trap ................................................................................................................... 190
13.2 Exception Handling Procedure .......................................................................................................... 191
13.3 Acceptance of Exception Events ....................................................................................................... 193
13.3.1 Acceptance Timing and Saved PC Value ................................................................................. 193
Entry to Sleep Mode ........................................................................................................ 179
Exit from Sleep Mode ..................................................................................................... 180
Entry to Deep Sleep Mode .............................................................................................. 181
Exit from Deep Sleep Mode ............................................................................................ 182
Entry to Software Standby Mode .................................................................................... 183
Exit from Software Standby Mode .................................................................................. 184
Example of Software Standby Mode Application ........................................................... 185