The table below lists the signal assignments for the P3 connector on the
VXI bus.
Only 9U high VXI boards will use the P3 connector.
Pinouts are provided for both the slot 0 card and slots 1 to
12.
The VXI interface uses DIN 41612 connectors.
Companies that manufacturer DIN style connectors may be
found on the VMEbus page.
The two tables above list the VXI P3 connector pin-outs and signal names.
The connector is a 96 pin DIN (41612) 3 rows x 32 pins @ IEEE 1014-1987.
The first table defines the pin-out for Slot 0, the second table
describes the VXI P3 pin-out for all other slots. The differences between
VXI and VME {VXI P3 additions} are listed below:
CLK100: 100MHz differential ECL Clock; Sourced from Slot 0 bused
to slots 1 to 12 on P3. Buffering occurs on the back plane, with each
slot appearing as a single destination (individually buffered).
SYNC100: Bused to slots 1 to 12 on P3. Buffering occurs on the
back plane, with each slot appearing as a single destination
(individually buffered).
ECLTRG2-5: ECL single ended 50 ohm Trigger Lines; Any module may
drive or receive these lines. Used for intermodule timing. Identical to
lines 0 and 1 on the P2 bus.
LBUS12-35: Local Bus, Daisy chained keyed bus; may be either ECL
or TTL. Bused between adjacent slot only, I believe the keyed position
determines if two adjacent cards will talk to one another. Identical to
P2 Local Bus Lines
Back to the main VXI bus page for VXI bus descriptions,
or VXI P1 connector pin-outs or VXI P2 connector pin-outs. The VME bus Interface
description is listed on the VMEbus page.
Design Key words: VXI, VMEbus, VXI-Bus, VME, Versa
Module Europa, Extension for Instrumentation, Pinout, P3/J3, P2/J2
Pinouts, Pin Outs, Connector, Signal Names, 3row,
Signals, Pin Number,
Assignment, Specification, Standard, Defined, Constraint, Properties,
Lines, Data, Labels, IEEE 1014-1987, Euro-Card size, Embedded Computer
bus, Instrumentation Bus
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