ProDAQ 3150 User Manual
3150UM-01
Bustec Production Ltd.
Page 23
VXIbus Configuration Register Details
The following describes the device specific configuration register bits in detail.
Config (0x0 read)
This register provides information about the device class, the address space and the manufacturer ID of
the module.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Operation RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
Initial
0
1
0
1
1
1
1
1
1
1
1
1
1
0
1
1
Name
Device
Class
Address
Space
Manufacturer ID
Device Class:
01 - Extended
Address Space:
01 - A16 / A32
Manufacturer ID:
0xE70 - Bustec Production Ltd.
LogAdr (0x0, write)
If the module is configured for dynamical logical address assignment, this register can be used to set
its logical address.
Bit
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Operation
WO
WO
WO
WO
WO
WO
WO
WO
Initial
LA-8
LA-7
LA-6
LA-5
LA-4
LA-3
LA-2
LA-1
Name
LogAdr
If all switches of the logical address switch are off (correspond to static address 255), the
device acts as a dynamically configurable VXIbus device, and a write to this register
changes the logical address. If any other address then 255 is choosen by setting the logical
address switch, the device acts as a static configured VXIbus device and a write to this
register has no effect.
After a write operation, the new logical address becomes available when the access cycle
has finished (approx. 150ns after end of the selection).
DeviceID (0x2, read)
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Operation RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
Initial
x
x
x
x
1
1
0
0
0
1
0
0
1
1
1
0
Name
Required Memory
Model ID
Required Memory:
0101 - 64MB (If 16MB DRAM Modules are used)
0011 - 256MB (If 64MB DRAM Modules are used)
Model ID:
0xC4E - ProDAQ 3150
The memory size will be automatically detected by the hardware during initialization. If one of
the memory banks is equipped with a 64MB module, the memory size will be automatically
256MB.
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