HD6432621 Hitachi, HD6432621 Datasheet - Page 42

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Section 21B Power-Down Modes [H8S/2626 Series]
21B.1
21B.2
21B.3
21B.4
21B.5
21B.6
21B.7
21B.8
21B.9
21B.10 Sub-Active Mode............................................................................................................ 726
21B.11 Direct Transitions ........................................................................................................... 727
21B.12 ø Clock Output Disabling Function................................................................................ 727
21B.13 Usage Notes.................................................................................................................... 728
Section 22 Electrical Characteristics
22.1 Absolute Maximum Ratings.............................................................................................. 729
xiv
Overview ........................................................................................................................ 703
21B.1.1 Register Configuration ................................................................................... 707
Register Descriptions...................................................................................................... 708
21B.2.1 Standby Control Register (SBYCR) .............................................................. 708
21B.2.2 System Clock Control Register (SCKCR) ..................................................... 710
21B.2.3 Low-Power Control Register (LPWRCR)...................................................... 711
21B.2.4 Timer Control/Status Register (TCSR) .......................................................... 713
21B.2.5 Module Stop Control Register (MSTPCR) .................................................... 715
Medium-Speed Mode ..................................................................................................... 716
Sleep Mode..................................................................................................................... 717
21B.4.1 Sleep Mode..................................................................................................... 717
21B.4.2 Exiting Sleep Mode........................................................................................ 717
Module Stop Mode ......................................................................................................... 717
21B.5.1 Module Stop Mode ......................................................................................... 717
21B.5.2 Usage Notes.................................................................................................... 719
Software Standby Mode ................................................................................................. 719
21B.6.1 Software Standby Mode ................................................................................. 719
21B.6.2 Clearing Software Standby Mode .................................................................. 719
21B.6.3 Setting Oscillation Stabilization Time after Clearing Software
21B.6.4 Software Standby Mode Application Example .............................................. 721
21B.6.5 Usage Notes.................................................................................................... 722
Hardware Standby Mode................................................................................................ 722
21B.7.1 Hardware Standby Mode................................................................................ 722
21B.7.2 Hardware Standby Mode Timing ................................................................... 723
Watch Mode ................................................................................................................... 723
21B.8.1 Watch Mode ................................................................................................... 723
21B.8.2 Exiting Watch Mode ...................................................................................... 724
21B.8.3 Notes............................................................................................................... 724
Sub-Sleep Mode ............................................................................................................. 725
21B.9.1 Sub-Sleep Mode ............................................................................................. 725
21B.9.2 Exiting Sub-Sleep Mode ................................................................................ 725
21B.10.1 Sub-Active Mode............................................................................................ 726
21B.10.2 Exiting Sub-Active Mode............................................................................... 726
21B.11.1 Overview of Direct Transitions...................................................................... 727
Standby Mode ................................................................................................ 720
.............................................................................. 729
............................................. 703