Datasheet KS8995E (Microchip) - 7

KS8995E Micrel Pin Description
Type(Note 1) Pin Number Pin Name 1 N/C 2 TXP[1] O 1 Physical transmit signal + (differential) 3 TXM[1] O 1 Physical transmit signal -(differential) 4 GND_TX[1] GND 1 Ground for transmit circuitry 5 VDD_TX[1:2] P 6 GND_TX[2] GND 2 Ground for transmit circuitry 7 TXP[2] O 2 Physical transmit signal + (differential) 8 TXM[2] O 2 Physical transmit signal -(differential) 9 N/C 10 VDD_RX[2] P 2 2.5V for equalizer 11 RXP[2] I 2 Physical receive signal + (differential) 12 RXM[2] I 2 Physical receive signal -(differential) 13 GND_RX[2] GND 2 Ground for equalizer 14 VDD_BG P 2.5V for analog circuitry 15 ISET O Set physical transmit output current 16 GND_BG GND 17 GND_RX[3] GND 3 Ground for equalizer 18 RXP[3] I 3 Physical receive signal + (differential) 19 RXM[3] I 3 Physical receive signal -(differential) 20 VDD_RX[3] P 3 2.5V for equalizer 21 N/C 22 TXP[3] O 3 Physical transmit signal + (differential) 23 TXM[3] O 3 Physical transmit signal -(differential) 24 GND_TX[3] GND 3 Ground for transmit circuitry 25 VDD_TX[3:4] P 26 GND_TX[4] GND 4 Ground for transmit circuitry 27 TXP[4] O 4 Physical transmit signal + (differential) 28 TXM[4] O 4 Physical transmit signal -(differential) 29 N/C 30 VDD_RX[4] P 4 2.5V for equalizer 31 RXP[4] I 4 Physical receive signal + (differential) 32 RXM[4] I 4 Physical receive signal -(differential) 33 GND_RX[4] GND 4 Ground for equalizer 34 GND_RX[5] GND 5 Ground for equalizer 35 RXP[5] I 5 Physical receive signal + (differential) 36 RXM[5] I 5 Physical receive signal -(differential) 37 VDD_RX[5] P 5 2.5V for equalizer 38 GND_ANA GND Note 1. Port Pin Function
Not used -float for normal operation (no connect) 2.5V for transmit circuitry Not used -float for normal operation (no connect) Ground for analog circuitry Not used -float for normal operation (no connect) 2.5V for transmit circuitry Not used -float for normal operation (no connect) Analog ground P = power supply
GND = ground
I = input
O = output
I/O = bi-directional August 2003 7 KS8995E