Datasheet

Page lii of lvi R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
22.6.1 Boot Mode ........................................................................................................ 962
22.6.2 User Program Mode.......................................................................................... 966
22.7 Programming/Erasing Flash Memory............................................................................... 968
22.7.1 Program Mode .................................................................................................. 969
22.7.2 Program-Verify Mode....................................................................................... 970
22.7.3 Erase Mode ....................................................................................................... 974
22.7.4 Erase-Verify Mode ........................................................................................... 974
22.8 Protection.......................................................................................................................... 976
22.8.1 Hardware Protection ......................................................................................... 976
22.8.2 Software Protection........................................................................................... 977
22.8.3 Error Protection................................................................................................. 978
22.9 Flash Memory Emulation in RAM ................................................................................... 980
22.10 Interrupt Handling when Programming/Erasing Flash Memory....................................... 982
22.11 Programmer Mode............................................................................................................ 982
22.11.1 Socket Adapter and Memory Map.................................................................... 983
22.12 Flash Memory and Power-Down States............................................................................ 985
22.12.1 Note on Power-Down States............................................................................. 985
22.13 Flash Memory Programming and Erasing Precautions..................................................... 986
22.14 Note on Switching from F-ZTAT Version to Mask ROM Version.................................. 991
Section 23A Clock Pulse Generator
(H8S/2633, H8S/2632, H8S/2631, H8S/2633F) ................................ 993
23A.1 Overview........................................................................................................................ 993
23A.1.1 Block Diagram............................................................................................... 993
23A.1.2 Register Configuration................................................................................... 994
23A.2 Register Descriptions ..................................................................................................... 994
23A.2.1 System Clock Control Register (SCKCR)..................................................... 994
23A.2.2 Low-Power Control Register (LPWRCR)..................................................... 995
23A.3 Oscillator........................................................................................................................ 996
23A.3.1 Connecting a Crystal Resonator .................................................................... 996
23A.3.2 External Clock Input...................................................................................... 999
23A.4 PLL Circuit................................................................................................................... 1001
23A.5 Medium-Speed Clock Divider...................................................................................... 1001
23A.6 Bus Master Clock Selection Circuit ............................................................................. 1002
23A.7 Subclock Oscillator ...................................................................................................... 1002
23A.8 Subclock Waveform Shaping Circuit........................................................................... 1003
23A.9 Note on Crystal Resonator ........................................................................................... 1003
Section 23B Clock Pulse Generator (H8S/2633R, H8S/2695) ............................. 1005
23B.1 Overview...................................................................................................................... 1005