HD64336900G Datasheet, PDF (10/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

3.2.7 Wakeup Interrupt Flag Register (IWPR) ............................................................. 51
3.3 Reset Exception Handling................................................................................................. 52
3.4 Interrupt Exception Handling............................................................................................ 53
3.4.1 External Interrupts ............................................................................................... 53
3.4.2 Internal Interrupts................................................................................................. 54
3.4.3 Interrupt Handling Sequence ............................................................................... 54
3.4.4 Interrupt Response Time...................................................................................... 56
3.5 Usage Notes ...................................................................................................................... 58
3.5.1 Interrupts after Reset............................................................................................ 58
3.5.2 Notes on Stack Area Use ..................................................................................... 58
3.5.3 Notes on Rewriting Port Mode Registers............................................................. 58
Section 4 Address Break....................................................................................59
4.1 Register Descriptions ........................................................................................................ 59
4.1.1 Address Break Control Register (ABRKCR)....................................................... 60
4.1.2 Address Break Status Register (ABRKSR) ......................................................... 61
4.1.3 Break Address Registers (BARH, BARL)........................................................... 62
4.1.4 Break Data Registers (BDRH, BDRL) ................................................................ 62
4.2 Operation .......................................................................................................................... 63
Section 5 Clock Pulse Generators .....................................................................65
5.1 Features ............................................................................................................................. 66
5.2 Register Descriptions ........................................................................................................ 67
5.2.1 RC Control Register (RCCR) .............................................................................. 67
5.2.2 RC Trimming Data Protect Register (RCTRMDPR)........................................... 68
5.2.3 RC Trimming Data Register (RCTRMDR) ......................................................... 69
5.2.4 Clock Control/Status Register (CKCSR) ............................................................. 69
5.3 System Clock Select Operation......................................................................................... 71
5.3.1 Clock Control Operation...................................................................................... 72
5.3.2 Clock Change Timing .......................................................................................... 75
5.4 Trimming of Internal RC Oscillator Frequency ................................................................ 78
5.5 External Oscillators........................................................................................................... 80
5.5.1 Connecting Crystal Resonator ............................................................................. 80
5.5.2 Connecting Ceramic Resonator ........................................................................... 81
5.5.3 External Clock Input Method............................................................................... 81
5.6 Prescaler............................................................................................................................ 81
5.6.1 Prescaler S ........................................................................................................... 81
5.7 Usage Notes ...................................................................................................................... 82
5.7.1 Note on Resonators .............................................................................................. 82
5.7.2 Notes on Board Design ........................................................................................ 82
Rev. 1.00, 11/03, page x of xxviii