ST72681SLASHR21 datasheet(5/32 Pages) STMICROELECTRONICS

Teilenummer	ST72681/R21

Bauteilbeschribung	USB 2.0 high-speed Flash drive controller

PDF	32 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 32 page

ST72681

Pin description

5/32

Pin description

Figure 2 shows the TQFP48 package pinout, while Table 2, Table 3, Table 4, and Table 5

give the pin description.

The legend and abbreviations used in these tables are the following:

●

Type

–

I = input

–

O = output

–

S = supply

●

Input level: A = Dedicated analog input

●

In/Output level

–CT = CMOS 0.3VDD/0.7VDD with input trigger

–TT= TTL 0.8V / 2V with Schmitt trigger

●

Output level

–

D8 = 8mA drive

–

D4 = 4mA drive

–

D2 = 2mA drive

Figure 2.

48-pin TQFP package pinout

Must remain NOT connected in the application.

44 43 42 41 40 39 38 37

13 14 15 16 17 18 19 20 21 22

48 47 46 45

RREF

VSSC

VDDC

VDD3

USBDP

VSSBL

VDDA

OSCIN

OSCOUT

VSSA

NAND WP

READ ONLY

EEPROM SCL

VSS_2

VSS_3

NAND ALE/EEPROM SDA

LED1

LED2

RESET

NC(1)

VDD33_2

NC(1)

USBDM

VDDBL

ST72681

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