ST7265X datasheet(38/166 Pages) STMICROELECTRONICS

部件名	ST7265X

功能描述	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

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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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

ST7265X 数据表(PDF) 38 Page - STMicroelectronics

ST7265X 数据表(HTML) 38 Page - STMicroelectronics

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