xiv
22.8.3 Error Protection .................................................................................................... 720
22.9 Flash Memory Emulation in RAM.................................................................................... 722
22.10 Note on Flash Memory Programming/Erasing.................................................................. 724
22.11 Flash Memory Programmer Mode..................................................................................... 724
22.11.1 Socket Adapter Pin Correspondence Diagrams ................................................... 725
22.11.2 Programmer Mode Operation............................................................................... 728
22.11.3 Memory Read Mode............................................................................................. 729
22.11.4 Auto-Program Mode............................................................................................. 733
22.11.5 Auto-Erase Mode.................................................................................................. 735
22.11.6 Status Read Mode................................................................................................. 736
22.11.7 Status Polling........................................................................................................ 737
22.11.8 Programmer Mode Transition Time..................................................................... 738
22.11.9 Cautions Concerning Memory Programming....................................................... 739
Section 23 RAM
................................................................................................................... 741
23.1 Overview............................................................................................................................ 741
23.2 Operation ........................................................................................................................... 741
Section 24 Power-Down State
.......................................................................................... 743
24.1 Overview............................................................................................................................ 743
24.1.1 Power-Down States .............................................................................................. 743
24.1.2 Related Register.................................................................................................... 744
24.2 Standby Control Register (SBYCR).................................................................................. 744
24.3 Sleep Mode........................................................................................................................ 745
24.3.1 Transition to Sleep Mode ..................................................................................... 745
24.3.2 Canceling Sleep Mode.......................................................................................... 745
24.4 Standby Mode.................................................................................................................... 745
24.4.1 Transition to Standby Mode................................................................................. 745
24.4.2 Canceling the Standby Mode................................................................................ 747
24.4.3 Standby Mode Application Example.................................................................... 748
Section 25 Electrical Characteristics (5V, 28.7 MHz Version)
............................. 749
25.1 Absolute Maximum Ratings.............................................................................................. 749
25.2 DC Characteristics............................................................................................................. 750
25.3 AC Characteristics............................................................................................................. 752
25.3.1 Clock Timing........................................................................................................ 752
25.3.2 Control Signal Timing.......................................................................................... 754
25.3.3 Bus Timing........................................................................................................... 757
25.3.4 Direct Memory Access Controller Timing........................................................... 768
25.3.5 Multifunction Timer Pulse Unit Timing............................................................... 770
25.3.6 I/O Port Timing..................................................................................................... 771
25.3.7 Watchdog Timer Timing ...................................................................................... 772
25.3.8 Serial Communication Interface Timing.............................................................. 773