Specifications

Rev. 1.43
User's Guide
105
VMBMA VME Master: A32 Base address for window A RW
CS4 + $1055
VMBMB VME Master: A32 Base address for window B
RW
CS4 + $1057
These register permit to complete the high order address for accesses in A32 mode.
D8 D9 D10 D11 D12 D13 D14 D15
Value
x VA31 VA30 VA29 VA28 VA27 VA26 VA25
Default
x 0 0 0 0 0 0 0
With: VA31: VME address A31
..
VA25: VME address A25
VMAMA VME Master: AM for window A
RW
CS4 + $105b
VMAMB VME Master: AM for window B
RW
CS4 + $105d
These registers permit to complement the Address Modifiers (AM) for VME accesses and define the
Data mode for VME access.
D8 D9 D10 D11 D12 D13 D14 D15
Value x x AM2 AM1 AM0 x x x
Default x x 0 0 1 x x x
With: AM2: VME address modifier 2
..
AM0: VME address modifier 0
By default, the AM codes corresponds to non-privileged access.
For supervisor access, AM codes have to be modified from 0 0 1 to 1 0 1.
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