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M38B72MEH-AXXXFP Datasheet(PDF) 10 Page - Renesas Technology Corp |
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M38B72MEH-AXXXFP Datasheet(HTML) 10 Page - Renesas Technology Corp |
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10 / 415 page  iii 38B7 Group User’s Manual Table of contents 2.12 Clock generating circuit ................................................................................................ 2-165 2.12.1 Relevant register ...................................................................................................... 2-165 2.12.2 Clock generating circuit application examples ..................................................... 2-166 2.13 Flash memory ................................................................................................................... 2-174 2.13.1 Overview .................................................................................................................... 2-174 2.13.2 Memory map ............................................................................................................. 2-174 2.13.3 Relevant registers .................................................................................................... 2-175 2.13.4 Parallel I/O mode ..................................................................................................... 2-177 2.13.5 Serial I/O mode ........................................................................................................ 2-177 2.13.6 CPU reprogramming mode ..................................................................................... 2-178 2.13.7 Flash memory mode application examples .......................................................... 2-179 2.13.8 Notes on CPU reprogramming mode .................................................................... 2-188 2.13.9 Notes on flash memory version ............................................................................. 2-188 CHAPTER 3 APPENDIX 3.1 Electrical characteristics ..................................................................................................... 3-2 3.1.1 Absolute maximum ratings ............................................................................................ 3-2 3.1.2 Recommended operating conditions ............................................................................ 3-2 3.1.3 Electrical characteristics ................................................................................................ 3-4 3.1.4 A-D converter characteristics ....................................................................................... 3-6 3.1.5 D-A converter characteristics ....................................................................................... 3-6 3.1.6 Timing requirements and switching characteristics ................................................... 3-7 3.2 Standard characteristics .................................................................................................... 3-10 3.2.1 Power source current standard characteristics ........................................................ 3-10 3.2.2 Port standard characteristics ...................................................................................... 3-11 3.2.3 A-D conversion standard characteristics ................................................................... 3-14 3.3 Notes on use ........................................................................................................................ 3-15 3.3.1 Notes on interrupts ...................................................................................................... 3-15 3.3.2 Notes on I/O port ......................................................................................................... 3-16 3.3.3 Notes on serial I/O1 .................................................................................................... 3-17 3.3.4 Notes on serial I/O2 .................................................................................................... 3-19 3.3.5 Notes on FLD controller .............................................................................................. 3-21 3.3.6 Notes on A-D converter .............................................................................................. 3-22 3.3.7 Notes on D-A converter .............................................................................................. 3-22 3.3.8 Notes on PWM ............................................................................................................. 3-22 3.3.9 Notes on watchdog timer ............................................................................................ 3-23 3.3.10 Notes on reset ............................................................................................................ 3-23 3.3.11 Each pin state during “L” state of RESET pin ...................................................... 3-23 3.3.12 Notes on programming .............................................................................................. 3-24 3.3.13 Notes on CPU reprogramming mode ...................................................................... 3-26 3.3.14 Notes on flash memory version ............................................................................... 3-26 3.3.15 Termination of unused pins ...................................................................................... 3-27 3.4 Countermeasures against noise ...................................................................................... 3-28 3.4.1 Shortest wiring length .................................................................................................. 3-28 3.4.2 Connection of bypass capacitor across VSS line and VCC line ............................... 3-30 3.4.3 Wiring to analog input pins ........................................................................................ 3-31 3.4.4 Oscillator concerns ....................................................................................................... 3-32 3.4.5 Setup for I/O ports ....................................................................................................... 3-33 3.4.6 Providing of watchdog timer function by software .................................................. 3-34 |
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