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2.0 Pin Description
(Continued)
DP83816
External Reference Interface
Symbol
LQFP Pin
No(s)
Dir
Description
VREF
40
I
Bandgap Reference:
External current reference resistor for internal Phy bandgap
circuitry. The value of this resistor is 10K
Ω
1% metal film (100 ppm/
o
C) which must
be connected from the VREF pin to analog ground.
No Connects and Reserved
Symbol
LQFP Pin
No(s)
Dir
Description
NC
34, 42, 43, 36,
37, 84, 85,
124, 125, 126
No Connect
RESERVED
41, 50, 127
These pins are reserved and cannot be connected to any external logic or net.
REGEN
48
Reserved and cannot be connected to any external logic or net..
This pin has an internal weak pull down.
Supply Pins
Symbol
LQFP Pin
No(s)
Dir
Description
C1
19
S
Connect to GND through 10uF and 0.1uF external capacitors in parallel.
IAUXVDD
39, 47
S
Connect to isolated Aux 3.3V supply VDD
AUXVDD
9, 21, 27, 33,
56, 58, 137
S
Connect to Aux 3.3V supply VDD
PCIVDD
69, 80, 94,
107, 117
S
PCI VDD - connect to PCI bus 3.3V VDD
VSS
8, 16, 20, 26,
32, 35, 38, 44,
49, 51, 52, 55,
57, 65, 77, 90,
103, 114, 136
S
VSS
Содержание DP83816AVNG
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