HD6473032F16 Datasheet, PDF (647/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 20 Power-Down State
Section 20 Power-Down State
20.1 Overview
The H8/3052BF has a power-down state that greatly reduces power consumption by halting the
CPU, and a module standby function that reduces power consumption by selectively halting on-
chip modules.
The power-down state includes the following three modes:
• Sleep mode
• Software standby mode
• Hardware standby mode
The module standby function can halt on-chip supporting modules independently of the power-
down state. The modules that can be halted are the ITU, SCI0, SCI1, DMAC, refresh controller,
and A/D converter.
Table 20.1 indicates the methods of entering and exiting the power-down modes and module
standby mode, and gives the status of the CPU and on-chip supporting modules in each mode.
Rev. 3.00 Mar 21, 2006 page 617 of 814
REJ09B0302-0300