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High-Speed I/O
Figure 2-20
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
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:
•
•
•
•
•
•
•
PM2 Connector
The PM2 connector on the ML310 board provides the following signals:
•
ML310 User Guide
UG068 (v1.01) August 25, 2004
shows 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
Copper Pins
E 1
D 1
D 2
B 1
A 1
A 2
Figure 2-21: Host Board Connector Pin Detail
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
39 LVDS pairs at 2.5V (can be used as 78 single-ended I/O at 2.5V)
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Figure
2-21. The signal pairs alternate from
Plastic Divider
F 1
F 2
E 3
E 2
D 3
D 4
C 1
C 2
B 3
A 3
A 4
B 2
R
F 3
F 4
E 4
C 3
C 4
B 4
63
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