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LAN9220 Datasheet(PDF) 13 Page - Microchip Technology

No. de pieza LAN9220
Descripción Electrónicos  16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
PDF  142 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9220 Datasheet(HTML) 13 Page - Microchip Technology

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 2006-2017 Microchip Technology Inc.
DS00002417A-page 13
LAN9220
+3.3V Regulator
Power Supply
VDD33REG
P
1
+3.3V power supply for internal +1.8V regulator.
+3.3V Analog
Power
VDD33A
P
3
+3.3V analog power supply pins.
+1.8V Analog
Power
VDD18A
P
1
+1.8V analog power supply pin. This pin must
be connected externally to VDD18CORE.
Core Voltage
Decoupling
VDD18CORE
P
2
+1.8 V from internal core regulator. Both pins
must be connected together externally. Each
pin requires a 0.01uF decoupling capacitor. In
addition, pin 2 requires a bulk 4.7uF capacitor
(<2 Ohm ESR) in parallel. These pins must not
be used to supply power to other external
devices.
TABLE 2-5:
56-QFN PACKAGE PIN ASSIGNMENTS
Pin
Num
Pin Name
Pin
Num
Pin Name
Pin
Num
Pin Name
Pin
Num
Pin Name
1
VDD33REG
15
nRD
29
D6
43
IRQ
2
VDD18CORE
16
nWR
30
VDDVARIO
44
TPO-
3
GPIO0/nLED1
17
nCS
31
D5
45
TPO+
4
GPIO1/nLED2
18
VDDVARIO
32
D4
46
VDD33A
5
GPIO2/nLED3
19
D15
33
D3
47
TPI-
6
A7
20
D14
34
D2
48
TPI+
7
A6
21
D13
35
D1
49
VDD33A
8
A5
22
D12
36
D0
50
EXRES
9
A4
23
D11
37
VDD18CORE
51
VDD33A
10
A3
24
VDDVARIO
38
EEDIO/GPO3
52
AMDIX_EN
11
A2
25
D10
39
EECS
53
VDD18A
12
A1
26
D9
40
EECLK/GPO4
54
XTAL2
13
FIFO_SEL
27
D8
41
PME
55
XTAL1/CLKIN
14
TEST
28
D7
42
nRESET
56
VDDVARIO
EXPOSED PAD
MUST BE CONNECTED TO VSS
TABLE 2-4:
SYSTEM AND POWER SIGNALS (CONTINUED)
Name
Symbol
Buffer
Type
# Pins
Description



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