sinara-hw / Sayma_AMC

AMC FPGA carrier board with FMC, dual SFP and RTM
8 stars 6 forks source link

IC2 (LPC "optional" memory) use case #93

Closed kaolpr closed 5 years ago

kaolpr commented 5 years ago

Do we still need IC2 (MT25QL256ABA8ESF-0AAT)? It is currently mounted by default.

I guess it originates from the times when LPC had Ethernet connection to enable easy updates of gateware. However now, when LPC is not connected to port 0 anymore, remote update would have to be done using I2C what sounds like a bit of pain...

Additionally IC2 draws up to 35 mA of precious 3V3MP (limit for AMC+RTM is 180 mA).

gkasprow commented 5 years ago

we do not have a use case for it so can make it DNP