Datasheet

Rev. 4.00 Jun 06, 2006 page xxxii of liv
Section 24 Power-Down State......................................................................................... 681
24.1 Overview........................................................................................................................... 681
24.1.1 Register Configuration......................................................................................... 685
24.2 Register Descriptions........................................................................................................ 685
24.2.1 Standby Control Register (SBYCR) .................................................................... 685
24.2.2 Low-Power Control Register (LPWRCR) ........................................................... 687
24.2.3 Timer Control/Status Register (TCSR)................................................................ 689
24.2.4 Module Stop Control Register (MSTPCR).......................................................... 690
24.3 Medium-Speed Mode........................................................................................................ 691
24.4 Sleep Mode ....................................................................................................................... 692
24.4.1 Sleep Mode.......................................................................................................... 692
24.4.2 Clearing Sleep Mode............................................................................................ 692
24.5 Module Stop Mode ........................................................................................................... 693
24.5.1 Module Stop Mode .............................................................................................. 693
24.5.2 Usage Note........................................................................................................... 694
24.6 Software Standby Mode.................................................................................................... 695
24.6.1 Software Standby Mode....................................................................................... 695
24.6.2 Clearing Software Standby Mode........................................................................ 695
24.6.3 Setting Oscillation Settling Time after Clearing Software Standby Mode .......... 696
24.6.4 Software Standby Mode Application Example.................................................... 696
24.6.5 Usage Note........................................................................................................... 697
24.7 Hardware Standby Mode .................................................................................................. 697
24.7.1 Hardware Standby Mode ..................................................................................... 697
24.7.2 Hardware Standby Mode Timing......................................................................... 698
24.8 Watch Mode...................................................................................................................... 699
24.8.1 Watch Mode......................................................................................................... 699
24.8.2 Clearing Watch Mode.......................................................................................... 699
24.9 Subsleep Mode.................................................................................................................. 700
24.9.1 Subsleep Mode..................................................................................................... 700
24.9.2 Clearing Subsleep Mode...................................................................................... 700
24.10 Subactive Mode ................................................................................................................ 701
24.10.1 Subactive Mode ................................................................................................... 701
24.10.2 Clearing Subactive Mode..................................................................................... 701
24.11 Direct Transition ............................................................................................................... 702
24.11.1 Overview of Direct Transition............................................................................. 702
24.12 Usage Notes ...................................................................................................................... 702
Section 25 Electrical Characteristics.............................................................................. 703
25.1 Voltage of Power Supply and Operating Range ............................................................... 703
25.2 Electrical Characteristics of H8S/2138 F-ZTAT............................................................... 706
25.2.1 Absolute Maximum Ratings ................................................................................ 706