(12)
14.3.5 Operation of VEI (Interrupt Request) ....................................................14-10
14.3.6 Operation of RCV (Recover from Runaway) ........................................14-11
14.3.7 Method to Set a Specified Address when Using the RTD ....................14-12
14.3.8 Resetting the RTD ................................................................................14-13
14.4 Typical Connection with the Host .............................................................14-14
CHAPTER 15 EXTERNAL BUS INTERFACE
15.1 External Bus Interface Related Signals ......................................................15-2
15.2 Read/Write Operations .................................................................................15-6
15.3 Bus Arbitration............................................................................................15-12
15.4 Typical Connection of External Extension Memory ................................15-14
CHAPTER 16 WAIT CONTROLLER
16.1 Outline of the Wait Controller ......................................................................16-2
16.2 Wait Controller Related Registers...............................................................16-4
16.2.1 Wait Cycles Control Register..................................................................16-5
16.3 Typical Operation of the Wait Controller ....................................................16-6
CHAPTER 17 RAM BACKUP MODE
17.1 Outline............................................................................................................17-2
17.2 Example of RAM Backup when Power is Down.........................................17-2
17.2.1 Normal Operating State ..........................................................................17-3
17.2.2 RAM Backup State .................................................................................17-4
17.3 Example of RAM Backup for Saving Power Consumption ....................... 17-5
17.3.1 Normal Operating State ..........................................................................17-6
17.3.2 RAM Backup State .................................................................................17-7
17.3.3 Precautions to Be Observed at Power-on ..............................................17-8
17.4 Exiting RAM Backup Mode (Wakeup) .........................................................17-9