Flash Memory (Ic701); Power Supply Circuit - Panasonic KX-TG2360JXS Service Manual

17.1.2. The Meaning of the Motion of Pin 128
· The period of Host Power Up (Hardware Initialization)
In this period, the host sets up some registers in order to wake up the system.
· The period of Host Reset (Software Initialization)
In this period, the host reads the parameter from the memory and initializes module.

17.2. Flash Memory (IC701)

Following information data is stored.
· Voice signal
ex: Pre-recorded Greeting message, Incoming message
· Telephone number, etc.
ex: Telephone Directory number, Caller ID data, ID code
· Settings
ex: message numbers, caller ID numbers, pulse tone dial

17.3. Power Supply Circuit

Function:
The power supply voltage from AC adaptor is converted to the desired voltage of each block.
Circuit Operation:
· IC301, Q301 and D303: 4.0V DCDC Converter
· IC300: 3.3V Regulator
· IC601: 2.5V Regulator
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KX-TG2360JXS / KX-TGA236JXS