ResetIC, (Voltage Detectors)
LDO (Voltage Regulators)
DC-DC(Swicthing Regulators)
Memory(EEPROM)
Sensors
RTC(Real-Time Clock)
Crystal(clock)
Batteries(Li-ion,Rechargable)
ThermalPrinter

Crystal Unit
OSC(Oscillator)
TCXO
VCXO
OLPE
(Optical Low Pass Filter)
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