Special Registers
EBX-22 Reference Manual
73
Revision and Type Register
REVTYP (Read Only) 1D1h
D7 D6 D5 D4 D3 D2 D1 D0
PLDREV4 PLDREV3 PLDREV2 PLDREV1 PLDREV0 EXTEMP PLDCUST PLDDEV
This register is used to indicate the PLD revision level and model of the EBX-22.
Table 40: REVTYP Register Bit Assignments
Bit Mnemonic Description
D7-D3 PLDREV
PLD Revision Level
– These bits represent the EBX-22 PLD revision level.
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PLD Revision Level
0 0 0 0 1
2.01
0 0 0 1 0
3.00
These bits are read-only.
D2 EXTEMP
Extended Temperature
– This bit indicates whether the EBX-22 is an extended
temperature model.
0 = Standard temperature range model
1 = Extended temperature range model
This bit is read-only.
D1 PLDCUST
Custom PLD
– This bit indicates whether the EBX-22 has a custom PLD.
0 = Standard PLD
1 = Custom PLD
This bit is read-only.
D0 PLDDEV
PLD in Development
– This bit indicates whether the EBX-22 PLD is in
development.
0 = PLD not in development
1 = PLD in development
This bit is read-only.
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