Datasheet

Rev. 2.00 Sep. 28, 2009 Page xx of xl
REJ09B0429-0200
Section 19 A/D Converter ................................................................................. 621
19.1 Features.............................................................................................................................. 621
19.2 Input/Output Pins............................................................................................................... 623
19.3 Register Descriptions......................................................................................................... 624
19.3.1 A/D Data Registers A to H (ADDRA to ADDRH) .............................................. 624
19.3.2 A/D Control/Status Register (ADCSR) ................................................................ 625
19.3.3 A/D Control Register (ADCR) ............................................................................. 627
19.4 Operation ........................................................................................................................... 628
19.4.1 Single Mode.......................................................................................................... 628
19.4.2 Scan Mode ............................................................................................................ 629
19.4.3 Input Sampling and A/D Conversion Time .......................................................... 631
19.4.4 Timing of External Trigger Input ......................................................................... 634
19.5 Interrupt Source ................................................................................................................. 635
19.6 A/D Conversion Accuracy Definitions .............................................................................. 635
19.7 Usage Notes ....................................................................................................................... 637
19.7.1 Setting of Module Stop Mode............................................................................... 637
19.7.2 Permissible Signal Source Impedance .................................................................. 637
19.7.3 Influences on Absolute Accuracy ......................................................................... 638
19.7.4 Setting Range of Analog Power Supply and Other Pins....................................... 638
19.7.5 Notes on Board Design......................................................................................... 638
19.7.6 Notes on Noise Countermeasures ......................................................................... 639
19.7.7 Note on the Usage in Software Standby Mode ..................................................... 640
Section 20 RAM ................................................................................................641
Section 21 Flash Memory.................................................................................. 643
21.1 Features.............................................................................................................................. 643
21.1.1 Operating Mode .................................................................................................... 645
21.1.2 Mode Comparison ................................................................................................ 646
21.1.3 Flash Memory MAT Configuration...................................................................... 647
21.1.4 Block Division ...................................................................................................... 648
21.1.5 Programming/Erasing Interface............................................................................ 650
21.2 Input/Output Pins............................................................................................................... 652
21.3 Register Descriptions......................................................................................................... 652
21.3.1 Programming/Erasing Interface Register.............................................................. 654
21.3.2 Programming/Erasing Interface Parameter........................................................... 662
21.4 On-Board Programming Mode .......................................................................................... 673
21.4.1 Boot Mode ............................................................................................................ 674
21.4.2 User Program Mode.............................................................................................. 678
21.4.3 User Boot Mode.................................................................................................... 689