Reset State; Power-Down State - Hitachi H8/500 Series Hardware Manual

3.8.5 Reset State

In the reset state, the CPU and all on-chip supporting modules are initialized and placed in the
stopped state. The CPU enters the reset state whenever the RES pin goes Low, unless the CPU is
currently in the hardware standby mode. It remains in the reset state until the RES pin goes High.
See section 4.2, "Reset," for further information on the reset state.

3.8.6 Power-Down State

The power-down state comprises three modes: the sleep mode, the software standby mode, and
the hardware standby mode.
See section 18, "Power-Down State," for further information.
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