FMC-CAMERALINK User Manual
V2.7 - 5th February 2019
6 PoCL
This section applies only to boards build with the /PoCL order code. Board built without the /PoCL order code are
not fitted with the PoCL power supplies, and current limiter circuitry.
Signal Name
Direction
FMC pin
Notes
pocl_en_a_l
out
LA_P_22
Drive low to enable PoCL to CLink
Connector 1. Tri-state or drive high to clear
fault or disable power.
pocl_en_b_l
out
LA_P_23
Drive low to enable PoCL to CLink
Connector 2. Tri-state or drive high to clear
fault or disable power.
pocl_fault_a_l
in
LA_N_22
Logic level 0 indicates a PoCL fault for
Connector 1 when pocl_en_a_l is enabled.
pocl_fault_b_l
in
LA_N_23
Logic level 0 indicates a PoCL fault for
Connector 2 when pocl_en_b_l is enabled.
Table 14 : PoCL Control and Status pin-out
6.1 Current limit
The FMC-CAMERALINK limits each Camera Link connector to providing up to 400mA. When the current limit is
reached the supply will be disabled until the corresponding pocl_en_[a/b]_l signal is driven high.
6.2 Notes
For -full Camera Link PoCL (using both Camera Link connectors to provide power to the Camera) pocl_en_a_l
and pocl_en_b_l should be driven together.
Page 15
PoCL
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