KS8993F-EVAL Micrel Inc, KS8993F-EVAL Datasheet - Page 11
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KS8993F-EVAL
Manufacturer Part Number
KS8993F-EVAL
Description
EVAL KIT EXPERIMENTAL KS8993F
Manufacturer
Micrel Inc
Datasheet
1.KS8993F-EVAL.pdf
(100 pages)
Specifications of KS8993F-EVAL
Lead Free Status / RoHS Status
Not applicable / Not applicable
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Micrel, Inc.
Pin #
9
10
11
12
13
14
15
16
17
18
May 2006
Pin Name
MCHS
MCCS
PDD#
ADVFC
P2ANEN
P2SPD
P2DPX
P2FFC
P1FST
P1LCRCD
Type
Ipd
Ipd
Ipu
Ipu
Ipu
Ipd
Ipd
Ipd
Opu
Ipd
Description
KS8993F operating modes, defined as below:
Power Down Detect
In Terminal MC mode (pin MCHS is ‘1’), a high to low transition to this pin
will cause port 1 (fiber) to generate and send out an “Indicate Terminal MC
Condition” OAM frame with the S0 status bit set to ‘1’.
1= advertise the switch’s flow control capability via auto negotiation.
0 = will not advertise the switch’s flow control capability via auto
negotiation.
1 = enable auto negotiation on port 2.
0 = disable auto negotiation on port 2.
1 = Force port 2 to 100BT if P2ANEN = 0.
0 = Force port 2 to 10BT if P2ANEN = 0.
1 = port 2 default to full duplex mode if P2ANEN = 1 and auto negotiation
0 = port 2 default to half duplex mode if P2ANEN = 1 and auto negotiation
1 = always enable (force) port 2 flow control feature.
0 = port 2 flow control feature enable is determined by auto negotiation
1 = normal function
0 = MC in loop back mode, or MC abnormal conditions happen
In MC loop back mode,
(MCHS, MCCS)
1 = normal operation
0 = power down detected
result.
fails. Force port 2 in full duplex mode if P2ANEN = 0.
fails. Force port 2 in half duplex mode if P2ANEN = 0.
(0, 0)
(0, 1)
(1, 0)
(1, 1)
11
Description
Normal 3 port switch mode (3 MAC + 2 PHY)
Center MC mode (3 MAC + 2 PHY)
Terminal MC mode (2 MAC + 2 PHY)
Terminal MC mode (3 MAC + 2 PHY)
MC mode is disabled.
Port 1 is either Fiber or UTP.
Port 2 is UTP.
Port 3 (MII) is enabled.
MC mode is enabled.
Port 1 is Fiber and has Center MC enabled.
Port 2 is UTP.
Port 3 (MII) is enabled.
MC mode is enabled.
Port 1 is Fiber and has Terminal MC enabled.
Port 2 is UTP.
Port 3 (MII) is disabled.
MC mode is enabled.
Port 1 is Fiber and has Terminal MC enabled.
Port 2 is UTP.
Port 3 (MII) is enabled.
hbwhelp@micrel.com
or (408) 955-1690
M9999-052206
KS8993F/FL
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