KSZ8993(2009) データシートの表示（PDF） - Micrel
部品番号
コンポーネント説明
メーカー
KSZ8993 Datasheet PDF : 35 Pages
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KS8993
Pin Number
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
Pin Name Type(Note 1)
MODESEL[3]
I
MODESEL[2]
I
MODESEL[1]
I
MODESEL[0]
I
TESTEN
I
SCANEN
I
RST#
I
VDD
Pwr
GND
GND
LED[1][3]
O
LED[1][2]
O
LED[1][1]
O
LED[1][0]
O
LED[2][3]
O
LED[2][2]
O
LED[2][1]
O
LED[2][0]
O
VDD_IO
Pwr
GND
GND
LED[3][3]
O
LED[3][2]
O
LED[3][1]
O
LED[3][0]
O
PRSV
I
PRSEL[1]
I
PRSEL[0]
I
PBASE2
I
PBASE1
I
PBASE0
I
P3_1PEN
I
P2_1PEN
I
P1_1PEN
I
P3_TXQ2
I
P2_TXQ2
I
P1_TXQ2
I
GND
GND
VDD
Pwr
P3_PP
I
P2_PP
I
Note 1.
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
Port
1
1
1
1
2
2
2
2
3
3
3
3
3
2
1
3
2
1
3
2
KS8993
Pin Function
Selects LED and test modes
Selects LED and test modes
Selects LED and test modes
Selects LED and test modes
Factory test pin - tie low for normal operation
Factory test pin - tie low for normal operation
Reset
2.5V for core digital circuitry
Ground for digital circuitry
Port 1 LED indicator 3
Port 1 LED indicator 2
Port 1 LED indicator 1
Port 1 LED indicator 0
Port 2 LED indicator 3
Port 2 LED indicator 2
Port 2 LED indicator 1
Port 2 LED indicator 0
2.5V or 3.3V for MII interface, LEDs and other digital I/O
Ground for digital circuitry
Port 3 LED indicator 3
Port 3 LED indicator 2
Port 3 LED indicator 1
Port 3 LED indicator 0
Priority queue buffer reserve
Priority scheme select bit 1
Priority scheme select bit 0
Priority base value bit 2
Priority base value bit 1
Priority base value bit 0
Port 3 802.1p receive priority classification enable
Port 2 802.1p receive priority classification enable
Port 1 802.1p receive priority classification enable
Port 3 transmit queue split, priority queueing enable
Port 2 transmit queue split, priority queueing enable
Port 1 transmit queue split, priority queueing enable
Ground for digital circuitry
2.5V for core digital circuitry
Port 3 receive port based priority classification
Port 2 receive port based priority classification
8
Micrel
April 2009
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