KS8995MA-EVAL Micrel Inc, KS8995MA-EVAL Datasheet - Page 13

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KS8995MA-EVAL

Manufacturer Part Number
KS8995MA-EVAL
Description
BOARD EVAL EXPERIMENT KS8995MA
Manufacturer
Micrel Inc
Datasheet

Specifications of KS8995MA-EVAL

Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
576-1018
Semptember 2008
Notes:
1.
2.
Pin Number
P = Power supply.
I = Input.
O = Output.
I/O = Bidirectional.
Gnd = Ground.
Ipu = Input w/internal pull-up.
Ipd = Input w/internal pull-down.
Ipd/O = Input w/internal pull-down during reset, output pin otherwise.
Ipu/O = Input w/internal pull-up during reset, output pin otherwise.
NC = No connect.
PU = Strap pin pull-up.
PD = Strap pull-down.
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
Pin Name
PMRXDV
PMRXER
SMRXDV
PMRXD3
PMRXD2
PMRXD1
PMRXD0
SMTXEN
SMTXER
SMRXD3
SMRXD2
SMTXD3
SMTXD2
SMTXD1
SMTXD0
SMRXC
SMTXC
VDDIO
GNDD
PCRS
PCOL
Type
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Gnd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
I/O
I/O
P
(1)
Port
5
5
5
5
5
5
5
5
Pin Function
PHY[5] MII receive data valid.
PHY[5] MII receive bit 3. Strap option: PD (default) = enable flow control;
PU = disable flow control.
PHY[5] MII receive bit 2. Strap option: PD (default) = disable back
pressure; PU = enable back pressure.
PHY[5] MII receive bit 1. Strap option: PD (default) = drop excessive
collision packets; PU = does not drop excessive collision packets.
PHY[5] MII receive bit 0. Strap option: PD (default) = disable aggressive
back-off algorithm in half-duplex mode; PU = enable for performance
enhancement.
PHY[5] MII receive error. Strap option: PD (default) = packet size
1518/1522 bytes; PU = 1536 bytes.
PHY[5] MII carrier sense/strap option for port 4 only. PD (default) = force
half-duplex if auto-negotiation is disabled or fails. PU = force full-duplex
if auto negotiation is disabled or fails. Refer to Register 76.
PHY[5] MII collision detect/ strap option for port 4 only. PD (default) = no
force flow control, normal operation. PU = force flow control. Refer to
Register 66
Switch MII transmit enable.
Switch MII transmit bit 3.
Switch MII transmit bit 2.
Switch MII transmit bit 1.
Switch MII transmit bit 0.
Switch MII transmit error.
Switch MII transmit clock. Input in MAC mode, output in PHY mode MII.
Digital ground.
3.3V digital V
Switch MII receive clock. Input in MAC mode, output in PHY mode MII.
Switch MII receive data valid.
Switch MII receive bit 3. Strap option: PD (default) = Disable Switch MII
full-duplex flow control; PU = Enable Switch MII full-duplex flow control.
Switch MII receive bit 2. Strap option: PD (default) = Switch MII in full-
duplex mode; PU = Switch MII in half-duplex mode.
13
DD
(2)
for digital I/O circuitry.
M9999-091508

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