2 Setup and Required Equipment
2-3
Table 2-1 Crosspoint Function Table
Output Channel 1
Output Channel 2
Output Channel 3
Output Channel 4
Control
Pins
Input
Selected
Control
Pins
Input
Selected
Control
Pins
Input
Selected
Control
Pins
Input
Selected
S10 S11 1Y/1Z
S20 S21 2Y/2Z
S30 S31 3Y/3Z
S40 S41 4Y/4Z
0 0 1A/1B 0 0 1A/1B 0 0 1A/1B 0 0 1A/1B
0 1 2A/2B 0 1 2A/2B 0 1 2A/2B 0 1 2A/2B
1 0 3A/3B 1 0 3A/3B 1 0 3A/3B 1 0 3A/3B
1 1 4A/4B 1 1 4A/4B 1 1 4A/4B 1 1 4A/4B
Apply inputs to the SMA connectors J1–J8. The EVM comes with 50-
Ω
resistors installed to VTERM, providing a termination scheme easily
adjusted to accommodate LVDS, LVPECL, or CML output structures. (See
Figure 2-2).
LVDS,
LVPECL,
or CML
Vterm
Vterm
50
Ω
50
Ω
A
B
SN65LVDS125 Input
Channels 1-4
Figure 2-2. Termination for Interfacing LVDS, CML, or LVPECL Drivers
Summary of Contents for HPL-D SLLU064A
Page 1: ...January 2004 HPL D SLLU064A 4x4 Crosspoint Switch EVM U s e r s G u i d e User s Guide ...
Page 17: ...2 Setup and Required Equipment 2 5 Figure 2 3 Typical Test Results ...
Page 18: ...2 Setup and Required Equipment 2 6 ...
Page 22: ...3 4 Figure 3 3 Layer 1 Signal Plane ...
Page 23: ...3 EVM Construction 3 5 Figure 3 4 GND Plane Figure 3 5 Layer 3 Vcc ...
Page 24: ...3 6 Figure 3 6 Layer 4 Vcc01 Plane Figure 3 7 Layer 5 GND Plane ...
Page 25: ...3 EVM Construction 3 7 Figure 3 8 Layer 6 GND Signal Plane ...