4.2.1 INTRODUCTION
The logic part of 7332 phone is based on Leonardo that is MTK Systems platform.
The circuit comprises the following main functional blocks:
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Memory Subsystem
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Baseband CPU(MTK6226): Baseband Controller, 52MHz 32bit RISC ARM7EJ-STM
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MT6305: PMIC handles all baseband power
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FM Radio IC(SI4703)
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Main LCM (262K TFT)
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Camera (0.3M plxels CMOS sensor)
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Bluetooth(BC313141A18)
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TOSHIBA MCP(128+32+512MB)
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User I/O (KEY,MINI SD CARD,USB Client,SIM card )
4.2.2 SYSTEM BLOCK DIAGRAM
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Only for training and service purposes
4. Circuit Description
4.2 LOGIC
LOGIC AND BASE BAND PORTION