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< OAK UICC 3 in 1 Block Diagram>
Components and Basic Functions
Basic components and each functions of UICC are as the following.
MCU R5F212K45DFP of MCU communicate with the system card and UART using
8MHz of external clock.
OP Panel consists of 28 keys in matrix type.( Wakeup button excluded, 3in1 dedicated
key: 2, 4in1 dedicated key: 18, common key: 8 )
MCU and LCD module exchanges data in 4-bit parallel type.
Backlight of LCD control on/off using switching elements.
There is a buzzer recognizing the situation. (selection beep, mis-type beep, error
detection beep )
Entering Sleep Mode and returning to Ready statuscan be recognized by
Wakeup_LED`s on or off.
Circuit Drawing
1. Connector Section
2. LCM Connection Section
3. Button Input Section
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