Vmetro VBAT-PB, Руководство пользователя, Страница: 141 / 186

9 VBAT-PB VME bus anomaly trigger
A(15:8)
UNSTB TP6 Address lines A8-A15 change during an interval when they
should be stable.
A(23:16)
UNSTB TP7
Address lines A16-A23 change during an interval when they
should be stable.
A(31:24)
UNSTB
TP8
Address lines A24-A31 change during an interval when they
should be stable.
MULTI TP9 More than one grant (BGO* - BG3*) occurs at a time.
GRANT
BRO TP10
Bus request BRO* is rescinded before BGO* occurs.
ABORTED
BR1 TP11 Bus request BR1* is rescinded before BG1* occurs.
ABORTED
BR2 TP12 Bus request BR2* is rescinded before BG2* occurs.
ABORTED
BR3
TP13
Bus request BR3* is rescinded before BG3* occurs.
ABORTED
RULE 2.1 TP14 Either of the following illegal combinations occur: DS1* =
high, DSO* = low, A01= high, LWORD* = low or DS1* =
low, DSO* = high, A01= high, LWORD* = low.
*H*
WRITE
UNSTB
TP15 WRITE* line is not stable (i.e. changes state) during time
when data strobes DSO*, DS1* are active.
*H*
AM(5:0)
UNSTB
TP16 Address Modifier lines AMO-AM5, or IACK line change
during an interval where they should be stable.
*H*
126 V B T - 3 2 5 User's Manual V M E T R O