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VT6212 Datasheet(PDF) 13 Page - VIA Technologies, Inc.

Part # VT6212
Description  PCI USB 2.0 Controller
PDF  26 Pages
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Manufacturer  VIA [VIA Technologies, Inc.]
Direct Link  https://www.viatech.com/en/
Logo VIA - VIA Technologies, Inc.

VT6212 Datasheet(HTML) 13 Page - VIA Technologies, Inc.

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VT6212 / VT6212L PCI USB2.0 Controller
Revision 1.06, December 7, 2005
-7-
Pin Descriptions
Power and Ground
Signal Name
Pin #
Power
Signal Description
VCC33
10, 18, 26, 34, 44, 52,
62, 101, 110, 120,
128
Digital I/O
Digital I/O Power. 3.3V ±100mV
VCC25
4, 35, 53, 115
Internal
Internal Logic Power. 2.5V ±5%
GND
5, 9, 17, 25, 33, 36,
43, 51, 54, 61, 100,
108, 114, 119, 127
Ground
Ground. Connect to primary PCB ground plane.
VCCSUS
70
Suspend
Suspend I/O Power. Connect to system 3.3V ±5% suspend power
for support of wakeup on USB incoming port activity.
GNDSUS
69
Suspend
Suspend I/O Ground. Connect to analog ground plane (connected
to primary PCB ground plane through ferrite beads for isolation
from digital switching noise). See Design Guide for details.
VCCUSB[4-1]
72, 76, 80, 84
USB Ports
USB Port Power. Connect to system 3.3V ±5% suspend power for
support of wakeup on USB incoming port activity.
GNDUSB[4-1]
75, 79, 83, 87
USB Ports
USB Port 1-4 Analog Ground. Connect to analog ground plane
(connected to primary PCB ground plane through ferrite beads for
isolation from digital switching noise).
See Design Guide for
details.
VCCPLL
91
PLL
PLL Digital Power. Connect to quiet 2.5V ±5% power source.
GNDPLL
92
PLL
PLL Digital Ground. Connect to analog ground plane (connected
to primary PCB ground plane through ferrite beads for isolation
from digital switching noise). See Design Guide for details.
VCCPLLA
89
PLL
PLL Analog Power. Connect to quiet 2.5V ±5% power source.
GNDPLLA
90
PLL
PLL Analog Ground. Connect to analog ground plane (connected
to primary PCB ground plane through ferrite beads for isolation
from digital switching noise). See Design Guide for details.
VCCOSC
96
OSC
Oscillator Power. Connect to quiet 2.5V ±5% power source.
GNDOSC
93
OSC
Oscillator Analog Ground.
Connect to analog ground plane
(connected to primary PCB ground plane through ferrite beads for
isolation from digital switching noise).
See Design Guide for
details.



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