Type(Note 1) Port Pin Function 175 Reserve I R" />
參數(shù)資料
型號： KS8999I
廠商： Micrel Inc
文件頁數(shù)： 4/52頁
文件大?。?/td> 0K
描述： IC SWITCH 9-PORT 10/100 208-PQFP
標(biāo)準(zhǔn)包裝： 100
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 208-MQFP，208-PQFP
供應(yīng)商設(shè)備封裝： 208-PQFP（28x28）
包裝： 散裝
配用： 576-1023-ND - BOARD EVAL EXPERIMENT FOR KS8999
KS8999
Micrel
KS8999
12
January 2005
Pin Number
Pin Name
Type(Note 1)
Port
Pin Function
175
Reserve
I
Reserved - floating for normal operation
176
X1
I
Crystal or clock input
177
X2
O
Connect to crystal
178
VDD_PLLTX
Pwr
2.0 V for phase locked loop circuit
179
GND_PLLTX
GND
Ground for phase locked loop circuit
180
CTOUT
O
Factory test pin – leave open for normal operation
181
BTOUT
O
Factory test pin – leave open for normal operation
182
VDD_RCV
Pwr
2.0V for clock recovery circuit
183
VDD_RCV
Pwr
2.0V for clock recovery circuit
184
GND_RCV
GND
Ground for clock recovery circuit
185
GND_RCV
GND
Ground for clock recovery circuit
186
VDD_RCV
Pwr
2.0V for clock recovery circuit
187
VDD_RCV
Pwr
2.0V for clock recovery circuit
188
GND_RCV
GND
Ground for clock recovery circuit
189
GND_RCV
GND
Ground for clock recovery circuit
190
FXSD[1]
Ipd
1
Fiber signal detect
191
FXSD[2]
Ipd
2
Fiber signal detect
192
FXSD[3]
Ipd
3
Fiber signal detect
193
FXSD[4]
Ipd
4
Fiber signal detect
194
VDD_RX
Pwr
2.0V for equalizer
195
GND_RX
GND
Ground for equalizer
196
RXP[1]
I
1
Physical receive signal + (differential)
197
RXM[1]
I
1
Physical receive signal - (differential)
198
GND_TX
GND
Ground for transmit circuitry
199
TXP[1]
O
1
Physical transmit signal + (differential)
200
TXM[1]
O
1
Physical transmit signal - (differential)
201
VDD_TX
Pwr
2.0V for transmit circuitry
202
VDD_TX
Pwr
2.0V for transmit circuitry
203
TXP[2]
O
2
Physical transmit signal + (differential)
204
TXM[2]
O
2
Physical transmit signal - (differential)
205
GND_TX
GND
Ground for transmit circuitry
206
RXP[2]
I
2
Physical receive signal + (differential)
207
RXM[2]
I
2
Physical receive signal - (differential)
208
GND-ISO
GND
Analog ground
Note 1.
Pwr = power supply
GND = ground
I = input
O = output
I/O = bi-directional
Ipu = input w/ internal pull-up
Ipd = input w/ internal pull-down
Opu = output w/ internal pull-up
Opd = output 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
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