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ST7265X 데이터시트(PDF) 38 Page - STMicroelectronics |
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ST7265X 데이터시트(HTML) 38 Page - STMicroelectronics |
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38 / 166 page ![]() ST7265x 38/166 POWER SUPPLY MANAGEMENT (Cont’d) Figure 26. Storage Media Interface Supply Switch (for low current Media) Figure 27. Storage Media Interface Supply Switch (for high current Media) VDD1 STORAGE SWITCH VDD2 VDDA VDDF I/O pin ST7 (True OD) VDD Note: Ground lines not shown STORAGE MEDIA I/Os VOLTAGE REGULATOR I/O LOGIC 2.8V, 3.3V, 3.4V or 3.5V (2.7V - 5.5V) STORAGE MEDIA This Switch is turned ON to The on-chip Regulator I/F in USB mode power Storage Media I/F in Stand-Alone Mode supplies the Storage Media PMOS LEVEL TRANSLATOR VDD1 STORAGE SWITCH VDD2 VDDA VDDF I/O pin ST7 (True OD) VDD Note: Ground lines not shown STORAGE MEDIA I/Os VOLTAGE REGULATOR I/O LOGIC 2.8V, 3.3V, 3.4V or 3.5V (2.7V - 5.5V) STORAGE MEDIA This supply is not used REGUL This Switch is turned ON to power Storage Media I/F in Stand-Alone Mode This Regulator supplies the Storage Media I/F in USB Mode and MUST be disabled PMOS LEVEL TRANSLATOR 1 |
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