HD6432633 Datasheet, PDF (50/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

23B.2.1 System Clock Control Register (SCKCR) ...................................................... 972
23B.2.2 Low-Power Control Register (LPWRCR)....................................................... 973
23B.3 Oscillator ......................................................................................................................... 974
23B.3.1 Connecting a Crystal Resonator ...................................................................... 974
23B.3.2 External Clock Input ....................................................................................... 977
23B.4 PLL Circuit...................................................................................................................... 979
23B.5 Medium-Speed Clock Divider......................................................................................... 979
23B.6 Bus Master Clock Selection Circuit ................................................................................ 980
23B.7 Subclock Oscillator
(This function is not available in the H8S/2695)............................................................. 980
23B.8 Subclock Waveform Shaping Circuit.............................................................................. 981
23B.9 Note on Crystal Resonator............................................................................................... 981
Section 24 Power-Down Modes ..................................................................................... 983
24.1 Overview........................................................................................................................... 983
24.1.1 Register Configuration ........................................................................................ 988
24.2 Register Descriptions........................................................................................................ 989
24.2.1 Standby Control Register (SBYCR) ................................................................... 989
24.2.2 System Clock Control Register (SCKCR) .......................................................... 991
24.2.3 Low-Power Control Register (LPWRCR)........................................................... 992
24.2.4 Timer Control/Status Register (TCSR) ............................................................... 995
24.2.5 Module Stop Control Register (MSTPCR) ......................................................... 996
24.3 Medium-Speed Mode ....................................................................................................... 997
24.4 Sleep Mode....................................................................................................................... 998
24.4.1 Sleep Mode.......................................................................................................... 998
24.4.2 Exiting Sleep Mode............................................................................................. 998
24.5 Module Stop Mode ........................................................................................................... 999
24.5.1 Module Stop Mode .............................................................................................. 999
24.5.2 Usage Notes........................................................................................................... 1001
24.6 Software Standby Mode ................................................................................................... 1001
24.6.1 Software Standby Mode ........................................................................................ 1001
24.6.2 Exiting Software Standby Mode ........................................................................... 1001
24.6.3 Setting Oscillation Stabilization Time after Clearing Software Standby Mode.... 1002
24.6.4 Software Standby Mode Application Example ..................................................... 1003
24.6.5 Usage Notes........................................................................................................... 1004
24.7 Hardware Standby Mode..................................................................................................... 1005
24.7.1 Hardware Standby Mode....................................................................................... 1005
24.7.2 Hardware Standby Mode Timing .......................................................................... 1005
24.8 Watch Mode
(This function is not available in the H8S/2695).............................................................. 1006
24.8.1 Watch Mode........................................................................................................... 1006
24.8.2 Exiting Watch Mode.............................................................................................. 1006
24.8.3 Notes ...................................................................................................................... 1007
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