VXI SM8000 - Manual (Page 39)

VXI Technology, Inc.
SM8000 Series Programming 39
SMIP II R EGISTERS - A16
The following describes the registers shown in the SMIP II Register Map for A16 address space.
ID Register – Read Only
ADDR Plug-In LA+0x00
D11-D0 Manufacturer's ID VXI Technology, Inc., set to F4B
16
D13-D12 Address Space
A16/A24 = 00
2
A16/A32 = 01
2
D15-D14 Device Class Extended register based device, set to 01
2
Logical Address Register – Write Only
ADDR Plug-In LA+0x00
D7-D0 Logical Address
Sets the new logical address in a dynamically configured module.
When set for dynamic configuration (set to FF
16
) a soft reset will
not alter the configured logical address, while a hard reset will set
the register back to FF
16
.
D15-D8 Reserved Writing to this range has no effect.
Device Type Register – Read Only
ADDR Plug-In LA+0x02
D11-D0 Model Code Model 277, set to 115
16
D15-D12 Required Memory
2 Mbytes, set to 2
16
, for A24
2 Mbytes, set to A
16
, for A32
Status Register – Read Only
ADDR Plug-In LA+0x04
D15 A24/A32 Active
1 = indicates that A24/A32 memory space access is enabled
0 = indicates that A24/A32 memory space access is locked out
D14 MODID*
1 = indicates that the module is not selected by the MODID line
0 = indicates that the module is selected by the MODID line
D13-D4 Reserved These bits always read as 11,1111,1111
2
D3 Ready This bit always reads as 1
2
D2 Passed This bit always reads as 1
2
D1-D0 Reserved These bits always read as 11
2