ST7265X View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7265X

Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM

STMicroelectronics 

ST7265x

POWER SUPPLY MANAGEMENT (Cont’d)

Figure 26. Storage Media Interface Supply Switch (for low current Media)

VDD

(2.7V - 5.5V)

This Switch is turned ON to

power Storage Media I/F

in Stand-Alone Mode

PMOS

STORAGE SWITCH

VDD1

VDD2

VDDA

I/O pin

(True OD)

VDDF

The on-chip Regulator

supplies the Storage Media

I/F in USB mode

VOLTAGE REGULATOR

2.8V, 3.3V, 3.4V or 3.5V

STORAGE MEDIA STORAGE MEDIA I/Os

I/O LOGIC

LEVEL TRANSLATOR

ST7

Note: Ground lines not shown

Figure 27. Storage Media Interface Supply Switch (for high current Media)

VDD

(2.7V - 5.5V)

This Switch is turned ON to

power Storage Media I/F

in Stand-Alone Mode

PMOS

STORAGE SWITCH

This Regulator

REGUL

supplies the Storage Media

I/F in USB Mode

VDD1

VDD2

VDDA

I/O pin

(True OD)

VDDF

This supply is not used

and MUST be disabled

VOLTAGE REGULATOR

2.8V, 3.3V, 3.4V or 3.5V

STORAGE MEDIA STORAGE MEDIA I/Os

I/O LOGIC

LEVEL TRANSLATOR

ST7

Note: Ground lines not shown

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