contentsiii2-3-1 Bus Controller ......................................................................................... II - 152-3-2 Control Registers ..................................................................................... II - 162-4 Standby Function ..................................................................................................... II - 192-4-1 Overview ................................................................................................. II - 192-4-2 CPU Mode Control Register .................................................................... II - 212-4-3 Transition between SLOW and NORMAL .............................................. II - 222-4-4 Transition to STANDBY Modes ............................................................. II - 232-5 Clock Switching ........................................................................................................ II - 252-6 Bank Function .......................................................................................................... II - 272-6-1 Overview ................................................................................................. II - 272-6-2 Bank Setting ............................................................................................ II - 272-6-3 Bank Memory Space ............................................................................... II - 292-7 ROM Correction ....................................................................................................... II - 302-7-1 Overview ................................................................................................. II - 302-7-2 Correction Sequence ............................................................................... II - 302-7-3 ROM Correction Control Register ........................................................... II - 322-7-4 ROM Correction Setup Example .............................................................. II - 352-8 Reset ........................................................................................................................ II - 382-8-1 Reset Operation ....................................................................................... II - 382-8-2 Oscillation Stabilization Wait Time .......................................................... II - 402-9 Register Protection ................................................................................................... II - 422-9-1 Overview ................................................................................................. II - 422-9-2 Setting of the Register Protection Function ............................................ II - 422-9-3 Rewrite Procedure ................................................................................... II - 42Chapter 3 Interrupts3-1 Overview ................................................................................................................. III - 23-1-1 Functions ............................................................................................... III - 33-1-2 Block Diagram ...................................................................................... III - 43-1-3 Operation ............................................................................................... III - 53-1-4 Interrupt Flag Setup ............................................................................... III - 143-2 Control Registers .................................................................................................. III - 153-2-1 Registers List ....................................................................................... III - 153-2-2 Interrupt Control Registers .................................................................. III - 163-3 External Interrupts ................................................................................................... III - 383-3-1 Overview ................................................................................................ III - 383-3-2 Block Diagram ........................................................................................ III - 393-3-3 Control Registers .................................................................................... III - 423-3-4 Programmable Active Edge Interrupt ..................................................... III - 473-3-5 Both Edges Interrupt .............................................................................. III - 483-3-6 Key Input Interrupt ................................................................................ III - 193-3-7 Noise Filter ............................................................................................. III - 51