User`s guide

XMI Registers
Device Register (XDEV)
Device Register (XDEV)
The Device Register contains information to identify the node. Both fields are
loaded during node initialization. A zero value indicates an uninitialized node.
ADDRESS
Nodespace base address + 0000 0000
3
1
1
6
1
50
Device Revision Device Type
Class
1
4
1
3
1
2
1
1987
Device Type Field ID
msb−p197−89
1
50
1
0
MBZ
XCOM Register Present
I/O Device
Bus Window (Memory)
Bus Window (I/O)
Memory Device
CPU Device
bits<31:16>
Name: Device Revision
Mnemonic: DREV
Type: R/W, 0
Identifies the functional revision level of the device. The use of the
Device Revision field is implementation dependent.
bits<15:0>
Name: Device Type
Mnemonic: DTYPE
Type: R/W, 0
Identifies the type of node. The Device Type field is broken into two
subfields: Class and ID. The Class field indicates the major category
of the node. The currently defined classes are CPU, memory, and I/O.
The ID field uniquely identifies a particular device within a specified
class.
2–57