Datasheet

Micrel, Inc. KS8999
January 2005
12
KS8999
Pin Number Pin Name Type
(1)
Port Pin Function
156 IO_SWM Ipu Factory test pin –tie high for normal operation
157 VDD Pwr 2.0V for core digital circuitry
158 LED[9][3] Ipu/O 9 LED indicator 3
159 LED[9][2] Ipu/O 9 LED indicator 2
160 LED[9][1] Ipu/O 9 LED indicator 1
161 LED[9][0] Ipu/O 9 LED indicator 0
162 MIIS[1] Ipd 9 MII mode select bit 1
163 MIIS[0] Ipd 9 MII mode select bit 0
164 MODESEL[3] Ipd Selects LED and test modes
165 MODESEL[2] Ipd Selects LED and test modes
166 MODESEL[1] Ipd Selects LED and test modes
167 MODESEL[0] Ipd Selects LED and test modes
168 TESTEN Ipd Factory test pin –tie low for normal operation
169 SCANEN Ipd Factory test pin –tie low for normal operation
170 PRSV Ipd Reserve 6KB buffer for priority frames
171 CFGMODE Ipu Configures programming interface for EEPROM or processor
172 T[5] I Factory test pin –float for normal operation
173 T[4] Ipdthevillage F/D = normal operation (default) U = disable FEF
174 Reserve I Reserved –floating for normal operation
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