Xilinx ML310 - Manual (Page 63)

ML310 User Guide www.xilinx.com 63
UG068 (v1.01) August 25, 2004 1-800-255-7778
High-Speed I/O R
Figure 2-20 shows an edge view of the PM host board connectors on the ML310 board.
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.
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)
Figure 2-20: Edge View of Host Board Connectors on ML310
Figure 2-21: Host Board Connector Pin Detail
PM1 Host Board Connector
PM2 Host Board Connector
Plastic Divider
Copper Pins
D 2 D 1 E 2 D 4 D 3 E 4
B 1 C 2 C 1 B 3 C 4 C 3
A 2 A 1 B 2 A 4 A 3 B 4
E 1 F 2 F 1 E 3 F 4 F 3