KS8995XA(2008) View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
KS8995XA Datasheet PDF : 51 Pages
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Micrel, Inc.
KS8995XA
Pin Number
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
Pin Name
LED1-0
MDC
MDIO
Reserved
SCL
SDA
Reserved
PS1
PS0
RST_N
GNDD
VDDC
TESTEN
SCANEN
NC
X1
Type(1)
Ipu/O
Ipu
Ipu/O
I/O
I/O
Ipd
Ipd
Ipu
Gnd
P
Ipd
Ipd
NC
I
Port
1
All
All
All
All
All
All
Pin Function
LED indicator 0.(2)
Switch or PHY[5] MII management data clock.(2)
Switch or PHY[5] MII management data I/O.
No connect.
Output clock at 81kHz in I2C master mode.
Serial data input/output in I2C master mode.
No connect
No connect or pull-down.
No connect or pull-down.
Reset the KS8995XA. Active low.
Digital ground.
1.8V digital core VDD.
Factory test pin.
Factory test pin.
No connection.
25MHz crystal clock connection/or 3.3V tolerant oscillator input.
Oscillator should be ±100ppm.
122
X2
O
123
VDDAP
P
124
GNDA
Gnd
125
VDDAR
P
126
GNDA
Gnd
127
GNDA
Gnd
128
TEST2
25MHz crystal clock connection.
1.8V analog VDD for PLL.
Analog ground.
1.8V analog VDD.
Analog ground.
Analog ground.
Factory test pin.
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.
NC = No connect.
2. PU = Strap pin pull-up.
PD = Strap pull-down.
Otri = Output tristated.
September 2008
13
M9999-091508
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