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Specification
NET2270 USB Interface Controller
______________________________________________________________________________
NetChip Technology, Inc., 2003
335 Pioneer Way, Mountain View, California 94041
TEL (650) 526-1490
FAX (650) 526-1494
http://www.netchip.com
Rev 3.6, April 17, 2003
15
2
Pin Description
Pin Type
Description
I
Input
O
Output
I/O
Bi-directional
S
Schmitt Trigger
TS
Tri-State
TP
Totem-Pole
OD
Open-Drain
PD
50K Pull-Down
PU
50K pull-up
#
Active low
NOTE: Input pins that do not have an internal pull-up or pull-down resistor (designated by PU or PD in the ”Type”
column below) must be driven externally when the NET2270 is in the suspended state.
2.1
Digital Power & Ground (9 pins)
Signal Name
Pin
Type
Description
VDDC
10, 42
Power
Digital Core Supply Voltage. Connect to 3.3V.
VSSC
9, 41
GND
Digital Core Ground. Connect to GND.
VDDIO
17, 32
Power
I/O Interface Supply Voltage. Connect to 3.3V
VSSIO
19, 24, 29
GND
I/O Interface Ground. Connect to GND.
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