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ST7265X Datasheet(PDF) 38 Page - STMicroelectronics

Part # ST7265X
Description  LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
PDF  166 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7265X Datasheet(HTML) 38 Page - STMicroelectronics

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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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