HD64F2149 Datasheet, PDF (32/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Section 24 Power-Down State.......................................................................................... 711
24.1 Overview............................................................................................................................ 711
24.1.1 Register Configuration ......................................................................................... 715
24.2 Register Descriptions......................................................................................................... 715
24.2.1 Standby Control Register (SBYCR) .................................................................... 715
24.2.2 Low-Power Control Register (LPWRCR)............................................................ 717
24.2.3 Timer Control/Status Register (TCSR) ................................................................ 719
24.2.4 Module Stop Control Register (MSTPCR) .......................................................... 720
24.3 Medium-Speed Mode ........................................................................................................ 721
24.4 Sleep Mode........................................................................................................................ 722
24.4.1 Sleep Mode........................................................................................................... 722
24.4.2 Clearing Sleep Mode ............................................................................................ 722
24.5 Module Stop Mode ............................................................................................................ 723
24.5.1 Module Stop Mode ............................................................................................... 723
24.5.2 Usage Note ........................................................................................................... 724
24.6 Software Standby Mode .................................................................................................... 725
24.6.1 Software Standby Mode ....................................................................................... 725
24.6.2 Clearing Software Standby Mode ........................................................................ 725
24.6.3 Setting Oscillation Settling Time after Clearing Software Standby Mode .......... 726
24.6.4 Software Standby Mode Application Example .................................................... 726
24.6.5 Usage Note ........................................................................................................... 727
24.7 Hardware Standby Mode ................................................................................................... 728
24.7.1 Hardware Standby Mode...................................................................................... 728
24.7.2 Hardware Standby Mode Timing ......................................................................... 729
24.8 Watch Mode ...................................................................................................................... 730
24.8.1 Watch Mode ......................................................................................................... 730
24.8.2 Clearing Watch Mode .......................................................................................... 730
24.9 Subsleep Mode .................................................................................................................. 731
24.9.1 Subsleep Mode ..................................................................................................... 731
24.9.2 Clearing Subsleep Mode ...................................................................................... 731
24.10 Subactive Mode ................................................................................................................. 732
24.10.1 Subactive Mode.................................................................................................... 732
24.10.2 Clearing Subactive Mode ..................................................................................... 732
24.11 Direct Transition................................................................................................................ 733
24.11.1 Overview of Direct Transition.............................................................................. 733
Section 25 Electrical Characteristics.............................................................................. 735
25.1 Absolute Maximum Ratings.............................................................................................. 735
25.2 DC Characteristics ............................................................................................................. 736
25.3 AC Characteristics ............................................................................................................. 742
25.3.1 Clock Timing........................................................................................................ 743
25.3.2 Control Signal Timing.......................................................................................... 745
25.3.3 Bus Timing ........................................................................................................... 747
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