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KS8993M Datasheet(PDF) 13 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) 13 Page - Micrel Semiconductor

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Micrel, Inc.
KS8993M/ML/MI
April 2005
13
M9999-041205
Pin Number
Pin Name
Type
(1)
Description
70
LEDSEL0
Ipd
LED display mode select
See description in pins 1 and 4.
71
SMTXEN
Ipd
Switch MII transmit enable
72
SMTXD3
Ipd
Switch MII transmit data bit 3
73
SMTXD2
Ipd
Switch MII transmit data bit 2
74
SMTXD1
Ipd
Switch MII transmit data bit 1
75
SMTXD0
Ipd
Switch MII transmit data bit 0
76
SMTXER
Ipd
Switch MII transmit error
77
SMTXC
Ipd/O
Switch MII transmit clock
Output in PHY MII mode
Input in MAC MII mode
78
DGND
Gnd
Digital ground
79
VDDIO
P
3.3V digital VDD
80
SMRXC
Ipd/O
Switch MII receive clock.
Output in PHY MII mode
Input in MAC MII mode
81
SMRXDV
O
Switch MII receive data valid
82
SMRXD3
Ipd/O
Switch MII receive data bit 3
Strap option: switch MII full-duplex flow control
PD (default) = disable
PU = enable
83
SMRXD2
Ipd/O
Switch MII receive bit 2
Strap option: switch MII is in
PD (default) = full-duplex mode
PU = half-duplex mode
84
SMRXD1
Ipd/O
Switch MII receive bit 1
Strap option: Switch MII is in
PD (default) = 100Mbps mode
PU = 10Mbps mode
85
SMRXD0
Ipd/O
Switch MII receive bit 0
Strap option: switch will accept packet size up to
PD (default) = 1536 bytes (inclusive)
PU = 1522 bytes (tagged), 1518 bytes (untagged)
86
SCOL
Ipd/O
Switch MII collision detect
87
SCRS
Ipd/O
Switch MII carrier sense
Note:
1. P = Power supply.
Gnd = Ground.
O = Output.
Ipd = Input w/ internal pull-down.
Ipd/O = Input w/ internal pull-down during reset, output pin otherwise.


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