user manual

Theory of Device Operation
4-4 C141-E221
(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
SVC
-3.0V3.3V
3.3V 1.2V
5.0V
3.3V
generator
circuit
S-DRAM
Serial
-FROM
MCU & HDC & RDC
Combo
1.2V
generator
circuit
PreAMP
Figure 4.1 Power supply configuration