VME64x Bus P2 Pin Outs and VME64 Pinout Signal Names

VME64 P2 Connector Pinout and Signal Names

VME64 and VME64x (optional) comes with an enhanced connector. Five rows instead of the old 3 rows used in the original VME specification. The new 160 pin DIN (5 row x 32 pin) adds rows "z" and "d". Primary additions are power (+3.3 volts) and ground (GND) on P1 Pinout and 'User Defined' signals on P2. Rows "A", "B", and "C" remain unchanged. The pin out for P2 is listed above.

The pin-outs shown above are as defined by VME64x. If your using the VME 64 specification all pins in row 'd' becomes "reserved", and every other pin (non-ground; GND) in row 'z' becomes "reserved". Other wise the pin-out is the same between VME64 and VME64x. That would imply rows 'd' and 'z' are not bussed in VME64.

These new 5 row connectors will still accept the original 3 row connectors as a mate. The 2 new rows (z and d) were added as 'compression' pins on the exterior of the 3 row DIN connector.

There are a number of different connector types used with the VMEbus
P1 and P2 are 96 pin DIN (41612, Type C) 3 rows x 32 pins [Pitch 2.54mm (.100")] @ IEEE 1014-1987; [VME]
P1 and P2 are 160 pin DIN (41612, Type C Expanded) 5 rows x 32 pins [Pitch 2.54mm (.100")] @ ANSI/VITA 1-1994; [VME64]
P1 connectors may also come with an Auto Bus Grant [ABG] option which is an automatic [mechanical] switching capability built-in to auto jumper the slot

P2 Split DIN / RF Coax (DIN 41612 Type M) DIN + Coax @ 78 + 2, 60 + 4, 42 + 6, 24 + 8

The class of connectors determines the number of insertions it's [Mechanical Endurance] designed to handle per DIN 41612.
Class 1: 500 mating cycles
Class 2: 400 mating cycles
Class 3: 50 mating cycles

A listing of companies which produce DIN connectors used with the VME bus may be found on the main VMEbus page, additional connector manufacturers may be found using the Components icon below.

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Last Modified 7/23/09