KS8995XA(2008) 데이터 시트보기 (PDF) - Micrel
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KS8995XA Datasheet PDF : 51 Pages
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Micrel, Inc.
Pin Number
31
32
Pin Name
VDDAR
RXP5
Type(1)
P
I
Port
5
Pin Function(2)
1.8V analog VDD.
Physical receive signal + (differential).
33
RXM5
I
5
Physical receive signal – (differential).
34
GNDA
Gnd
Analog ground.
35
TXP5
O
5
Physical transmit signal + (differential).
36
TXM5
O
5
Physical transmit signal – (differential).
37
VDDAT
P
2.5V or 3.3V analog VDD.
38
FXSD5
I
5
Fiber signal detect/factory test pin.
39
FXSD4
I
4
Fiber signal detect/factory test pin.
40
GNDA
Gnd
Analog ground.
41
VDDAR
P
1.8V analog VDD.
42
GNDA
Gnd
Analog ground.
43
VDDAR
P
44
GNDA
Gnd
1.8V analog VDD.
Analog ground.
45
NC / MUX1
I
No connect. Factory test pin.
46
NC / MUX2
I
No connect. Factory test pin.
47
PWRDN_N
Ipu
Full-chip power down. Active low.
48
RESERVE/NC
Reserved pin. No connect.
49
GNDD
Gnd
Digital ground.
50
VDDC
P
1.8V digital core VDD.
51
PMTXEN
Ipd
5
PHY[5] MII transmit enable.
52
PMTXD3
Ipd
5
PHY[5] MII transmit bit 3.
53
PMTXD2
Ipd
5
PHY[5] MII transmit bit 2.
54
PMTXD1
Ipd
5
PHY[5] MII transmit bit 1.
55
PMTXD0
Ipd
5
PHY[5] MII transmit bit 0.
56
PMTXER
Ipd
5
PHY[5] MII transmit error.
57
PMTXC
O
5
PHY[5] MII transmit clock. PHY mode MII.
58
GNDD
Gnd
Digital ground.
59
VDDIO
P
3.3V digital VDD for digital I/O circuitry.
60
PMRXC
O
5
PHY[5] MII receive clock. PHY mode MII.
Notes:
1. 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.
2. PU = Strap pin pull-up.
PD = Strap pull-down.
Otri = Output tristated.
September 2008
10
KS8995XA
M9999-091508
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