Datasheet

R01UH0166EJ0600 Rev. 6.00 Page liii of lvi
Mar 02, 2011
23B.1.1 Block Diagram............................................................................................. 1006
23B.1.2 Register Configuration................................................................................. 1006
23B.2 Register Descriptions ................................................................................................... 1007
23B.2.1 System Clock Control Register (SCKCR)................................................... 1007
23B.2.2 Low-Power Control Register (LPWRCR) ................................................... 1008
23B.3 Oscillator ...................................................................................................................... 1009
23B.3.1 Connecting a Crystal Resonator................................................................... 1009
23B.3.2 External Clock Input.................................................................................... 1012
23B.4 PLL Circuit................................................................................................................... 1014
23B.5 Medium-Speed Clock Divider...................................................................................... 1014
23B.6 Bus Master Clock Selection Circuit ............................................................................. 1015
23B.7 Subclock Oscillator (This function is not available in the H8S/2695) ......................... 1015
23B.8 Subclock Waveform Shaping Circuit........................................................................... 1016
23B.9 Note on Crystal Resonator............................................................................................ 1016
Section 24 Power-Down Modes..................................................................................... 1017
24.1 Overview......................................................................................................................... 1017
24.1.1 Register Configuration.................................................................................... 1022
24.2 Register Descriptions...................................................................................................... 1023
24.2.1 Standby Control Register (SBYCR) ............................................................... 1023
24.2.2 System Clock Control Register (SCKCR) ...................................................... 1025
24.2.3 Low-Power Control Register (LPWRCR) ...................................................... 1026
24.2.4 Timer Control/Status Register (TCSR)........................................................... 1029
24.2.5 Module Stop Control Register (MSTPCR) ..................................................... 1030
24.3 Medium-Speed Mode...................................................................................................... 1031
24.4 Sleep Mode ..................................................................................................................... 1032
24.4.1 Sleep Mode ..................................................................................................... 1032
24.4.2 Exiting Sleep Mode......................................................................................... 1032
24.5 Module Stop Mode ......................................................................................................... 1033
24.5.1 Module Stop Mode ......................................................................................... 1033
24.5.2 Usage Notes .................................................................................................... 1035
24.6 Software Standby Mode.................................................................................................. 1035
24.6.1 Software Standby Mode.................................................................................. 1035
24.6.2 Exiting Software Standby Mode..................................................................... 1036
24.6.3 Setting Oscillation Stabilization Time
after Clearing Software Standby Mode........................................................... 1036
24.6.4 Software Standby Mode Application Example............................................... 1037
24.6.5 Usage Notes .................................................................................................... 1038
24.7 Hardware Standby Mode ................................................................................................ 1039
24.7.1 Hardware Standby Mode ................................................................................ 1039