Datasheet

Micrel, Inc. KS8999
January 2005
9
KS8999
Pin Number Pin Name Type
(1)
Port Pin Function
39 QL[2] Opd Factory test pin –leave open for normal operation
40 QL[3] Opd Factory test pin –leave open for normal operation
41 QL[4] Opd Factory test pin –leave open for normal operation
42 QL[5] Opd Factory test pin –leave open for normal operation
43 TXP[6] O 6 Physical transmit signal + (differential)
44 TXM[6] O 6 Physical transmit signal - (differential)
45 DOUT O Factory test output –leave open for normal operation
46 AOUT O Factory test output –leave open for normal operation
47 RXP[6] I 6 Physical receive signal + (differential)
48 RXM[6] I 6 Physical receive signal - (differential)
49 VDD_RX Pwr 2.0V for equalizer
50 GND_RX GND Ground for equalizer
51 GND_RX GND Ground for equalizer
52 VDD_RX Pwr 2.0V for equalizer
53 GND-ISO GND Analog ground
54 RXP[7] I 7 Physical receive signal + (differential)
55 RXM[7] I 7 Physical receive signal - (differential)
56 GND_TX GND Ground for transmit circuitry
57 TXP[7] O 7 Physical transmit signal + (differential)
58 TXM[7] O 7 Physical transmit signal - (differential)
59 VDD_TX Pwr 2.0V for transmit circuitry
60 VDD_TX Pwr 2.0V for transmit circuitry
61 TXP[8] O 8 Physical transmit signal + (differential)
62 TXM[8] O 8 Physical transmit signal - (differential)
63 GND_TX GND Ground for transmit circuitry
64 RXP[8] I 8 Physical receive signal + (differential)
65 RXM[8] I 8 Physical receive signal - (differential)
66 GND_RX GND Ground for equalizer
67 VDD_RX Pwr 2.0V for equalizer
68 FXSD[5] Ipd 5 Fiber signal detect
69 FXSD[6] Ipd 6 Fiber signal detect
70 FXSD[7] Ipd 7 Fiber signal detect
71 FXSD[8] Ipd 8 Fiber signal detect
72 GND_RCV GND Ground for clock recovery circuit
73 GND_RCV GND Ground for clock recovery circuit
74 VDD_RCV Pwr 2.0V for clock recovery circuit
75 VDD_RCV Pwr 2.0V for clock recovery circuit
76 GND_RCV GND Ground for clock recovery circuit
77 GND_RCV GND Ground for clock recovery circuit