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8.1.3
Register Configuration............................................................................................................... 158
8.2
Register Description.................................................................................................................................... 158
8.2.1
Standby Control Register (STBCR) ................................................................................... 158
8.2.2
Standby Control Register 2 (STBCR2)............................................................................. 160
8.3
Sleep Mode ..................................................................................................................................................... 162
8.3.1
Transition to Sleep Mode......................................................................................................... 162
8.3.2
Canceling Sleep Mode.............................................................................................................. 162
8.4
Standby Mode ................................................................................................................................................ 162
8.4.1
Transition to Standby Mode.................................................................................................... 162
8.4.2
Canceling Standby Mode......................................................................................................... 163
8.4.3
Clock Pause Function................................................................................................................ 164
8.5
Module Standby Function ........................................................................................................................ 164
8.5.1
Transition to Module Standby Function............................................................................ 164
8.5.2
Clearing the Module Standby Function............................................................................ 165
8.6
Timing of STATUS Pin Changes.......................................................................................................... 166
8.6.1
Timing for Resets......................................................................................................................... 166
8.6.2
Timing for Canceling Standbys............................................................................................. 168
8.6.3
Timing for Canceling Sleep Mode ...................................................................................... 169
8.7
Hardware Standby Function .................................................................................................................... 171
8.7.1
Transition to Hardware Standby Mode.............................................................................. 171
8.7.2
Canceling Hardware Standby Mode ................................................................................... 171
8.7.3
Hardware Standby Mode Timing.......................................................................................... 172
Section 9
On-Chip Oscillation Circuits.......................................................................................... 175
9.1
Overview........................................................................................................................................................... 175
9.1.1
Features ............................................................................................................................................ 175
9.2
Overview of the CPG.................................................................................................................................. 176
9.2.1
CPG Block Diagram................................................................................................................... 176
9.2.2
CPG Pin Configuration.............................................................................................................. 178
9.2.3
CPG Register Configuration ................................................................................................... 178
9.3
Clock Operating Modes............................................................................................................................. 178
9.4
Register Descriptions.................................................................................................................................. 184
9.4.1
Frequency Control Register (FRQCR).............................................................................. 184
9.5
Changing the Frequency ........................................................................................................................... 187
9.5.1
Changing the Multiplication Rate ....................................................................................... 187
9.5.2
Changing the Division Ratio .................................................................................................. 187
9.6
PLL Standby Function ............................................................................................................................... 188
9.6.1
Overview of the PLL Standby Function............................................................................ 188
9.6.2
Usage ................................................................................................................................................. 188
9.7
Controlling Clock Output.......................................................................................................................... 189