
ii
7540 Group User’s Manual
Table of contents
2.1.1 Memory map ................................................................................................................... 2-2
 2.1.2 Relevant registers .......................................................................................................... 2-3
 2.2 Timer A .................................................................................................................................. 2-13
 2.2.1 Memory map ................................................................................................................. 2-13
 2.2.2 Relevant registers ........................................................................................................ 2-14
 2.2.3 Timer mode ................................................................................................................... 2-19
 2.2.7 Notes on timer A .......................................................................................................... 2-35
 2.3 Timer 1 ................................................................................................................................... 2-36
 2.3.1 Memory map ................................................................................................................. 2-36
 2.3.2 Relevant registers ........................................................................................................ 2-36
 2.3.4 Notes on timer 1 .......................................................................................................... 2-39
 2.4 Timer X .................................................................................................................................. 2-40
 2.4.1 Memory map ................................................................................................................. 2-40
 2.4.2 Relevant registers ........................................................................................................ 2-41
 2.4.3 Timer mode ................................................................................................................... 2-46
 2.4.4 Pulse output mode ....................................................................................................... 2-50
 2.4.5 Event counter mode ..................................................................................................... 2-54
 2.4.7 Notes on timer X .......................................................................................................... 2-62
 2.5 Timer Y and timer Z ........................................................................................................... 2-63
 2.5.1 Memory map ................................................................................................................. 2-63
 2.5.2 Relevant registers ........................................................................................................ 2-64
 2.6 Serial I/O1 ............................................................................................................................ 2-101
 2.6.1 Memory map ............................................................................................................... 2-101
 2.6.6 Notes on Serial I/O1 .................................................................................................. 2-118
 2.7 Serial I/O2 ............................................................................................................................ 2-120
 2.7.1 Memory map ............................................................................................................... 2-120
 2.7.2 Relevant registers ...................................................................................................... 2-120
 2.7.4 Notes on serial I/O2 .................................................................................................. 2-128
 2.8 A-D converter ..................................................................................................................... 2-129
 2.8.1 Memory map ............................................................................................................... 2-129
 2.8.2 Relevant registers ...................................................................................................... 2-129