KS8997 データシートの表示（PDF） - Micrel
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コンポーネント説明
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KS8997 Datasheet PDF : 39 Pages
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Micrel, Inc.
Pin
Number
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
Pin Name
GND-ISO
RXP[7]
RXM[7]
GND_TX
TXP[7]
TXM[7]
VDD_TX
VDD_TX
TXP[8]
TXM[8]
GND_TX
RXP[8]
RXM[8]
GND_RX
VDD_RX
GND_RCV
VDD_RCV
GND_RCV
VDD_RCV
RLPBK
T[1]
EN1P
SDA
SCL
VDD
GND
VDD-IO
GND
GND
VDD
BIST
RST#
LED[1][3]
LED[1][2]
LED[1][0]
LED[2][3]
LED[2][2]
LED[2][0]
VDD-IO
Type(1)
Gnd
I
I
Gnd
O
O
Pwr
Pwr
O
O
Gnd
I
I
Gnd
Pwr
Gnd
Pwr
Gnd
Pwr
I
I
I
I/O
I/O
Pwr
Gnd
Pwr
Gnd
Gnd
Pwr
I
I
I/O
I/O
I/O
I/O
I/O
I/O
Pwr
Port
7
7
7
7
8
8
8
8
1
1
1
2
2
2
Pin Function
Analog ground
Physical receive signal + (differential)
Physical receive signal - (differential)
Ground for transmit circuitry
Physical receive signal + (differential)
Physical receive signal - (differential)
2.0V for transmit circuitry
2.0V for transmit circuitry
Physical receive signal + (differential)
Physical receive signal - (differential)
Ground for transmit circuitry
Physical receive signal + (differential)
Physical receive signal - (differential)
Ground for equalizer
2.0V for equalizer
Ground for clock recovery circuit
2.0V for clock recovery circuit
Ground for clock recovery circuit
2.0V for clock recovery circuit
Enable loop back for testing
Factory test pin – float for normal operation
Enable 802.1p for all ports
Serial data from EEPROM or processor
Clock for EEPROM or from processor
2.0V for core digital circuitry
Ground for core digital circuitry
2.0V, 2.5V or 3.3V for I/O circuitry
Ground for digital circuitry
Ground for core digital circuitry
2.0V for core digital circuitry
Built-in self test—tie low for normal operation
Reset
LED indicator 3
LED indicator 2
LED indicator 0
LED indicator 3
LED indicator 2
LED indicator 0
2.0V, 2.5V or 3.3V for I/O circuitry
February 2007
8
KS8997/KSZ8997
M9999-022807-1.1
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