VPWR
The VP3500 pr5V to its XMC VPWR pins.
RESET_L
XMC Reset In. When this signal is asserted low by the VP3500, the mezzanine card shall initialize itself
into a known state. This signal is the platform reset for the VP3500.
MRSTO_L
XMC Reset Out. This low-true XMC output signal is routed to the VP3500’s microcontroller pin 18. The
microcontroller may be configured to issue a VP3500 board reset or other specific reset. Please refer to
section 5.3.
PRSNT_L
XMC 1 Board Present. This VP3500 low-true input signal is routed to microcontroller pin 17 and is used
to determine if an XMC card is plugged in or not. The signal is pulled up to +3.3V through an 8.2K ohm
resistor.
I2C_CLK/DAT
These two open drain signals provide the system management bus to the XMCs among other devices
on the VP3500. Please refer to section 5.3 for additional information.
VP3500 User Manual • Document Number 101-3500-0001 • Revision A0
Property of Rigel Engineering, LLC. Confidential & Proprietary
690 Cone Park Court, Merritt Island, Florida 32952
page 41