
7540 Group User’s Manual
iii
Table of contents
2.9 Oscillation control ............................................................................................................. 2-135
2.9.1 Memory map ............................................................................................................... 2-135
2.9.2 Relevant registers ...................................................................................................... 2-135
2.9.5 State transition ........................................................................................................... 2-142
3.2 Typical characteristics ....................................................................................................... 3-31
3.2.1 Mask ROM version ...................................................................................................... 3-31
3.3 Notes on use ........................................................................................................................ 3-73
3.3.4 Notes on Timer A ........................................................................................................ 3-75
3.3.6 Notes on Timer X ........................................................................................................ 3-76
3.3.8 Notes on Serial I/O1 .................................................................................................... 3-79
3.3.9 Notes on serial I/O2 .................................................................................................... 3-81
3.3.13 Notes on interrupts .................................................................................................... 3-86
3.3.14 Notes on RESET pin ................................................................................................. 3-87
3.6 Package outline ................................................................................................................. 3-120
3.7 Machine instructions ........................................................................................................ 3-122
3.9 SFR memory map .............................................................................................................. 3-134