Distributor of VersaLogic Corporation: Excellent Integrated System Limited
Datasheet of VL-CBR-2012 - 20" 24-BIT LVDS CABLE
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Special Registers
VL-EPMs-21 Reference Manual
50
Revision and Type Register
REVTYP (Read Only) 1D1h
D7
D6
D5
D4
D3
D2
D1
D0
PR4
PR3
PR2
PR1
PR0
TEMP
CUSTOM
BETA
This register is used to indicate the revision level of the VL-EPMs-21 and PLD firmware.
Table 24: Revision and Type Register Bit Assignments
Bit
Mnemonic
Description
D7-D3
PR
PLD Revision Code
— These bits are hard-coded and represent the CPLD
revision.
PR4 PR3 PR2 PR1 PR0
Revision
0
0
0
0
1
Rev. 0.23 and 0.24
0
0
0
1
0
Rev. 0.31 and 1.00
0
0
0
1
1
Rev. 1.00
These bits are read-only.
D2
TEMP
Temperature Rating
— This bit indicates whether the EPMs-21 is rated for
standard or extended temperature operation.
0 = Standard temperature operation
1 = Extended temperature operation
This bit is read-only.
D1
CUSTOM
PLD Class
— This bit indicates whether the PLD code is standard or customized.
0 = Standard PLD code
1 = Custom PLD code
This bit is read-only.
D0
BETA
PLD Level
— This bit indicates if the PLD code is at the beta or production level.
0 = Production level PLD
1 = Beta level PLD
This bit is read-only.
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