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KS8993M Datasheet(PDF) 10 Page - Micrel Semiconductor

Part No. KS8993M
Description  Integrated 3-Port 10/100 Managed Integrated 3-Port 10/100 Managed
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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KS8993M Datasheet(HTML) 10 Page - Micrel Semiconductor

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Micrel, Inc.
KS8993M/ML/MI
April 2005
10
M9999-041205
Pin Number
Pin Name
Type
(1)
Description
8
VDDIO
P
3.3V digital VDD
9
NC
Ipd
No connect
10
NC
Ipd
No connect
11
NC
Ipu
No connect
12
ADVFC
Ipu
1 = advertise the switch’s flow control capability via auto
negotiation.
0 = will not advertise the switch’s flow control capability via
auto negotiation.
13
P2ANEN
Ipu
1 = enable auto negotiation on port 2
0 = disable auto negotiation on port 2
14
P2SPD
Ipd
1 = force port 2 to 100BT if P2ANEN = 0
0 = force port 2 to 10BT if P2ANEN = 0
15
P2DPX
Ipd
1 = port 2 default to full duplex mode if P2ANEN = 1 and auto
negotiation fails. Force port 2 in full duplex mode if P2ANEN
= 0.
0 = port 2 default to half duplex mode if P2ANEN = 1 and
auto negotiation fails. Force port 2 in half duplex mode if
P2ANEN = 0.
16
P2FFC
Ipd
1 = always enable (force) port 2 flow control feature
0 = port 2 flow control feature enable is determined by auto
negotiation result.
17
NC
Opu
No connect
18
NC
Ipd
No connect
19
NC
Ipd
No connect
20
P2LED3
Opd
Port 2 LED indicator
Note: Internal pull-down is weak; it will not turn ON the LED.
See description in pin 4.
21
DGND
Gnd
Digital ground
22
VDDC/VOUT_1
V8
P
VDDC: For KS8993M, this is an input power pin for the 1.8V
digital core VDD.
VOUT_1V8: For KS8993ML, this is a 1.8V output power pin to
supply the KS8993ML’s input power pins: VDDAP (pin 63),
VDDC (pins 91 and 123), and VDDA (pins 38, 43, and 57).
23
LEDSEL1
Ipd
LED display mode select
See description in pins 1 and 4.
24
NC
O
No connect
25
P1LED3
Opd
Port 1 LED indicator
Note: An external 1K pull-down is needed on this pin if it is
connected to a LED. The 1K resistor will not turn ON the
LED.
See description in pin 1.
Note:
1. P = Power supply.
Gnd = Ground.
O = Output.
Ipu = Input w/ internal pull-up.
Ipd = Input w/ internal pull-down.
Opu = Output with internal pull-up.
Opd = Output internal pull-down.


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