Renesas H8S/2100 Series Hardware Manual page 24

24.8 On-Board Programming Mode .......................................................................................... 743
24.8.1 Boot Mode ............................................................................................................ 743
24.8.2 User Program Mode.............................................................................................. 747
24.8.3 User Boot Mode.................................................................................................... 756
24.8.4 Storable Areas for On-Chip Program and Program Data...................................... 760
24.9 Protection........................................................................................................................... 766
24.9.1 Hardware Protection ............................................................................................. 766
24.9.2 Software Protection............................................................................................... 767
24.9.3 Error Protection .................................................................................................... 767
24.10 Switching between User MAT and User Boot MAT......................................................... 769
24.11 Programmer Mode ............................................................................................................. 770
24.12 Standard Serial Communication Interface Specifications for Boot Mode ......................... 770
24.13 Usage Notes ....................................................................................................................... 798
Section 25 Clock Pulse Generator.....................................................................801
25.1 Oscillator............................................................................................................................ 802
25.1.1 Connecting Crystal Resonator .............................................................................. 802
25.1.2 External Clock Input Method................................................................................ 803
25.2 Duty Correction Circuit ..................................................................................................... 805
25.3 Subclock Input Circuit ....................................................................................................... 806
25.4 Subclock Waveform Forming Circuit................................................................................ 807
25.5 Clock Select Circuit ........................................................................................................... 807
25.6 Usage Notes ....................................................................................................................... 808
25.6.1 Notes on Resonator............................................................................................... 808
25.6.2 Notes on Board Design ......................................................................................... 808
Section 26 Power-Down Modes........................................................................ 809
26.1 Register Descriptions ......................................................................................................... 810
26.1.1 Standby Control Register (SBYCR) ..................................................................... 810
26.1.2 Low-Power Control Register (LPWRCR) ............................................................ 813
26.1.3 Module Stop Control Registers H, L, A, and B
(MSTPCRH, MSTPCRL, MSTPCRA, MSTPCRB) ............................................ 814
26.2 Mode Transitions and LSI States ....................................................................................... 817
26.3 Medium-Speed Mode......................................................................................................... 819
26.4 Sleep Mode ........................................................................................................................ 820
26.5 Software Standby Mode..................................................................................................... 821
26.6 Watch Mode....................................................................................................................... 823
26.7 Module Stop Mode ............................................................................................................ 824
Rev. 1.00 May 09, 2008 Page xxiv of xxvi