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W5100S Datasheet(PDF) 12 Page - WIZnet Co., Ltd

Part # W5100S
Description  embedded Ethernet controller
PDF  110 Pages
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Manufacturer  WIZNET [WIZnet Co., Ltd]
Direct Link  https://www.wiznet.io/ko/Product/
Logo WIZNET - WIZnet Co., Ltd

W5100S Datasheet(HTML) 12 Page - WIZnet Co., Ltd

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W5100S Datasheet Version1.2.5
1.1
PIN Description
Table 2 PIN Description
PIN #
Symbol
Type
Description
1
GNDA
AP
Analog Ground
2
TXON
AO
Differential Transmitted Signal Pair
Differential Data is transmitted to Media via TXOP/TXON
signal pair on MDI Mode.
3
TXOP
AO
4
1V2A
AP
Analog 1.2V Power
Supplied from 1V20 voltage source
5
RXIN
AI
Differential Received Signal Pair
Differential Data is received from Media via RXIP/RXIN
signal pair on MDI Mode.
6
RXIP
AI
7
GNDA
AP
Analog Ground
8
3V3A
AP
Analog 3.3V Power
9
RSET_BG
AO
Off-chip Bias Resistor
Must be connected to analog Ground through external
12.3KΩ, error 1% Resistance.
10
GND
AP
Digital Ground
11
XSCO
AO
25MHz Clock
25MHz Crystal Oscillator (TXAL) or Oscillator (OSC) are
used for Internal oscillator stabilization.
W5100S uses 25MHz (Low Frequency Mode) or 100MHz
(Normal Mode) as Internal Clock from External 25MHz
Clock Source.
If OSC is used, 25MHz@1.2V must be used and only XSCI
must be connected and XSCO must be floated.
For more information, refer to Clock Selection Guide.
12
XSCI
AI
13
1V2D
P
Digital 1.2V Power
Supplied from 1V20 voltage source
14
1V2O
PO
Internal Regulator 1.2V Power Output
Internal Regulator for W5100S needs Max 150mA for 1.2V
Power Output.
Make sure to supply 1V2D and 1V2A for External
Capacitor 3.3uF stabilization.
1V2O must use Ferrite Bead. 1V2D and 1V2A must be
separated and be supplied.
This power is only for W5100S. It must not be used for
other device.



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