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
Note 1.
Micrel
Pin Name
MODESEL[3]
MODESEL[2]
MODESEL[1]
MODESEL[0]
TESTEN
SCANEN
RST#
VDD
GND
LED[1][3]
LED[1][2]
LED[1][1]
LED[1][0]
LED[2][3]
LED[2][2]
LED[2][1]
LED[2][0]
VDD_IO
GND
LED[3][3]
LED[3][2]
LED[3][1]
LED[3][0]
PRSV
PRSEL[1]
PRSEL[0]
PBASE2
PBASE1
PBASE0
P3_1PEN
P2_1PEN
P1_1PEN
P3_TXQ2
P2_TXQ2
P1_TXQ2
GND
VDD
P3_PP
P2_PP
Type
(Note 1)
I
I
I
I
I
I
I
Pwr
GND
O
O
O
O
O
O
O
O
Pwr
GND
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
GND
Pwr
I
I
3
2
3
2
1
3
2
1
3
3
3
3
1
1
1
1
2
2
2
2
Port
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
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
KS8993
8
April 2009
MICREL [ MICREL SEMICONDUCTOR ]
