abaco systems FMC700 Manuel de l'utilisateur - Page 11

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FMC700 User Manual
5.3.4 GA
GA signals from KC705 HPC are connected to the FMC and the signals from KC705 LPC are
discarded. Note: KC705 connects all GA signals to ground.

5.3.5 Power Good Signals

HPC PG_M2C passes through the FMC700 and PG_C2M are both connected to KC705 HPC
and LPC.

6 Power

All pin assignments are summarized on the Appendix A.

6.1 HPC Power Signal

All power signals from KC705 HPC are fully connected to the FMC through the FMC700.

6.2 LPC Power Signal

Two VCC12_P (12V
3P3VAUX power signals are not connected to HPC power signals. HPC power signals use the
same power as LPC power signals from KC705. Pin assignments are summarized on the
Appendix A.

6.3 VIO_B_M2C

Normally the FMC determines the IO voltage level for the signalling standard on the HB bank
through the VIO_B_M2C pins. Since the HB bank is connected to LPC LA bank on the KC705
the use of this adaptor board is limited to FMC modules which matching IO standards on bank
LA, HA and HB. In other words VIO_B_M2C from the FMC should match VADJ from the
KC705. VIO_B_M2C is not connected on the FMC700.

7 Layers and Stack up

The PCB has 4 layers. 2 ground layers are placed between top and bottom signal layers.
Routing traces have 100Ω differential impedance. Trace lengths are matched in LA and BA
banks, HB bank and GTX signal pairs.

8 Environment

8.1 Temperature

Operating temperature
•
°
-40
C to +85
Storage temperature:
•
°
-40
C to +120
Oct 2012
) power signals are routed to the fan connector. VADJ, 3P3V and
DC
°
C (Industrial)
°
C
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