Operating Of Low Voltage/Cpu Operating Detection Reset Circuit - Fujitsu F2MCTM-16LX Hardware Manual

CHAPTER 19 LOW VOLTAGE DETECTION/CPU OPERATING DETECTION RESET
19.4 Operating of Low Voltage/CPU Operating Detection Reset
Circuit
The circuit watches the power-supply voltage. When the power supply voltage is lower
than the set value, internal reset is generated. In CPU operating detecting function,
internal reset is generated without the counter clear at constant intervals. When internal
reset is generated by the detection of the low voltage or the out of CPU control, the
content of the register is not guaranteed. The program restarts from the address
specified by the reset vector after the reset sequence is executed when the low voltage
reset is canceled.

Operating of Low Voltage/CPU Operating Detection Reset Circuit

The low voltage detection reset circuit starts the detection of the low voltage without taking the operating
stability wait time after reset is canceled.
Operating of CPU Operating Detection Reset Circuit
The CPU operating detection reset circuit starts the detection of the CPU operation without taking the
operating stability wait time after reset is canceled.
Note:
The current is consumed during the sleep or stop mode because the low voltage reset circuit always
operates.
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