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ST72681/R21 Datasheet(PDF) 5 Page - STMicroelectronics

Part # ST72681/R21
Description  USB 2.0 high-speed Flash drive controller
PDF  32 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72681/R21 Datasheet(HTML) 5 Page - STMicroelectronics

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ST72681
Pin description
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2
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
1.
Must remain NOT connected in the application.
44 43 42 41 40 39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
12
13 14 15 16 17 18 19 20 21 22
1
2
3
4
5
6
7
8
9
10
11
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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