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CLK_REQ4#: PCI-e Clock Request Input. Active low signal, electrical level +3.3V_RUN with a 10
inserted in the connectivity slot, in order to ensure that the SoC makes available the reference clock.
PCIE_RST#: Reset Signal that is sent from the SoC to all PCI-e devices available on the board. It is a +3.3V_RUN active-low signal.
SBC-C90
SBC-C90 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by C.M. Copyright © 2021 SECO S.p.A.
-up resistor. This signal shall be driven low by any module
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