Motorola MVME712M Installation And Use Manual page 65

Table 3-5. Connectors J3 and J4 Interconnect Signals (Continued)
Signal
Pin Number
Mnemonic
7 GND
8 DB03*
9 GND
10 DB04*
11 GND
12 DB05*
13 GND
14 DB06*
15 GND
16 DB07*
17 GND
18 DBP*
19-24 GND
25
26 TERMPWR
27-31 GND
32 ATN*
33-35 GND
36 BSY*
37 GND
38 ACK*
39 GND
Signal Name and Description
GROUND
DATA bus (bit 3)
GROUND
DATA bus (bit 4)
GROUND
DATA bus (bit 5)
GROUND
DATA bus (bit 6)
GROUND
DATA bus (bit 7) - most significant bit and the highest
priority during the arbitration phase.
GROUND
DATA bus (parity) - data parity is odd. Use of parity is a
system option. Parity is not valid during the arbitration
phase.
GROUND
Not used.
TERMINATOR POWER (fused on the P2 adapter)
GROUND
ATTENTION - signal driven by the initiator. Indicates
the attention condition.
GROUND
BUS BUSY - OR-tied signal that indicates that the bus is
being used.
GROUND
ACKNOWLEDGE - signal driven by an initiator to
indicate an acknowledgment for a REQ/ACK data
transfer handshake.
GROUND
MVME712M Transition Module
3
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