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Chapter 9 Reset
5.INIT Pin Input (INIT: Settings Initialization Reset)
5. INIT Pin Input (INIT: Settings Initialization Reset)
5.1 Trigger
The pin is used to trigger a settings initialization reset.
A settings initialization reset (INIT) request remains active while the pin remains at the “L” level.
Keep the “L” level for the main oscillation stabilisation time.
5.2 Releasing the Reset Request
Inputting an “H” level to the pin after the main oscillation stabilisation time releases the settings
initialization reset (INIT) request.
5.3 Flag
When an pin request triggers a settings initialization reset (INIT), the settings initialization reset flag
(RSRR.INIT) is set to “1”.
5.4 Reset Level
This reset has the maximum reset level and initializes all settings. This type of reset is called the
settings initialization reset (INIT)
A settings initialization reset (INIT) triggered by INIT pin input has the highest priority of all resets
and has priority over all other inputs, operations, and states.
When a settings initialization reset (INIT) occurs, it is followed by an operation reset (RST) after the
oscillation stabilization time elapses.
5.5 Initialization Triggered by INIT Pin Input (INIT)
• Device operation mode (bus mode and external bus width setting)
• All internal clock related settings (clock source selection, main PLL control, division setting)
• All settings relating to the external bus CS0 area
• All other settings related to pin states
• All areas initialized by an operation reset (RST)
• Program operation
• CPU and internal bus
• Peripheral circuit register contents
• I/O port settings
• Device operation mode (bus mode and external bus width setting)
Содержание FR Family FR60 Lite
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Страница 3: ...FR60 32 BIT MICROCONTROLLER MB91460 Series User s Manual ...
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