Revision Indicator Register

Reference – 40 EPM-4 Reference Manual

Revision Indicator Register

REVIND (READ ONLY) 00E1h

D7 D6 D5 D4 D3 D2 D1 D0
PC4 PC3 PC2 PC1 PC0 REV1 REV0 ET

This register is used to indicate the revision level of the EPM-4 product.

Bit Mnemonic Description

D7-D3 PC4-PC0 Product Code — These bits are hard coded to represent the product type. The
EPM-4 will always read as 11011. Other codes are reserved for future products.
PC4 PC3 PC2 PC1 PC0 Product Code
1 1 0 1 1 EPM-4
Note: These bits are read-only.
D2-D1 REV1-REV0 Revision Level — These bits are represent the EPM-4 circuit revision level.
REV1 REV0 Revision Level
0 0 Current product release
0 1 Reserved
1 0 Reserved
1 1 Reserved
Note: These bits are read-only.
D0 ET Extended Temperature — This bit indicates whether the board is an extended
temperature version or not.
0 – EPM-4c – Standard Temperature
1 – EPM-4e – Extended Temperature
Note: This bit is read-only.