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ST72681/R21 数据表(PDF) 6 Page - STMicroelectronics

部件名 ST72681/R21
功能描述  USB 2.0 high-speed Flash drive controller
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72681/R21 数据表(HTML) 6 Page - STMicroelectronics

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Pin description
ST72681
6/32
Table 2.
Power supply
Pin
Pin name
Description
48
VSS_1
S
Ground
47
VDD33_1
S
I/Os and regulator supply voltage
33
VSS_2
S
Ground
32
VDD33_2
S
I/Os and regulator supply voltage
25
VSS_3
S
Ground
24
VDD33_3
S
I/Os and regulator supply voltage
14
VSS_4
S
Ground
15
VDD33_4
S
I/Os and regulator supply voltage
13
VDDOUSB
S
USB2 PHY, OSC and PLL power supply output (1.8 V)
Table 3.
USB 2.0 interface
Pin
Pin name
Description
12
VDDBL
S
Supply voltage for buffers and deserialization flip flops (1.8 V)
11
VSSBL
S
Ground for buffers and deserialization flip flops (1.8 V)
10
USBDM
I/O USB2 DATA -
9
USBDP
I/O USB2 DATA +
8
VDD3
S
Supply voltage for the FS compliance (3.3 V)
7
VDDC
S
Supply voltage for DLL & XOR tree (1.8 V)
6
VSSC
S
Ground for DLL & XOR tree (1.8 V)
5
RREF
I/O
Ref. resistor for integrated impedance process adaptation
(11.3 kOhms 1% pull down)
Table 4.
USB 2.0 and core clock system
Pin
Pin name
Description
4
VSSA
S
Ground for osc & PLL (1.8 V)
3
OSCOUT
O
12 MHz oscillator output
2
OSCIN
I
12 MHz oscillator input
1
VDDA
S
Supply voltage for osc & PLL (1.8 V)



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