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Theory of Device Operation
4-4 C141-E218
(4) Controller circuit
Major functions are listed below.
• ATA interface control and data transfer control
• Data buffer management
• Sector format control
• Defect management
• ECC control
• Error recovery and self-diagnosis
-FROM Combo
1.2V
3.3V
3.3V
5.0V
-3.0V
MCU & HDC & RDC
Serial
PreAMP
3.3V 1.2V
S-DRAM SVC
generator
circuit
generator
circuit
Figure 4.1 Power supply configuration