Xilinx ML310 manual PM1 Connector, PM2 Connector

High-Speed I/O

R

Figure 2-20shows an edge view of the PM host board connectors on the ML310 board.

PM1 Host Board Connector

PM2 Host Board Connector

Figure 2-20:Edge View of Host Board Connectors on ML310

Each signal pair on the PM1 and PM2 host board connectors has a wide ground pin on the opposite side of the plastic divider, as shown in Figure 2-21. The signal pairs alternate from side to side along the length of the divider. All of the "B" and "E" pins are grounded on the ML310. The "A", "C", "D", and "F" pins are signal pins.

Copper Pins

Plastic Divider

E 1 F 1 F 2 E 3 F 3 F 4

D 1

D 2

E 2

D 3

D 4

E 4

B 1

C 1

C 2

B 3

C 3

C 4

A 1

A 2

B 2

A 3

A 4

B 4

Figure 2-21:Host Board Connector Pin Detail

PM1 Connector

The PM1 connector on the ML310 board provides the following signals:

•8 RocketIO 3.125 Gb/s MGTs

•3 LVDS pairs at 2.5V (can be used as 6 single-ended I/O at 2.5V)

•1 LVDS clock pair at 2.5V

•12 single- ended I/O at 2.5V

•26 single-ended I/O at 3.3V

•1 single-ended clock at 2.5V

•1 pin not connected

PM2 Connector

The PM2 connector on the ML310 board provides the following signals:

•39 LVDS pairs at 2.5V (can be used as 78 single-ended I/O at 2.5V)

ML310 User Guide	www.xilinx.com	63
UG068 (v1.01) August 25, 2004	1-800-255-7778