COE File Syntax - 2022.1 English

Vivado Design Suite User Guide : Designing with IP (UG896)

Document ID

UG896

Release Date

2022-05-19

Version

2022.1 English

The following syntax displays the general form for a COE file:

Keyword =Value ; Optional Comment
Keyword =Value ; Optional Comment
<Radix_Keyword> =Value ; Optional Comment
<Data_Keyword> =Data_Value1, Data_Value2, Data_Value3;

The following table describes COE file keywords for specifying radix values for data. Keywords are not case-sensitive. For information on the specific keywords required for a IP, see the Product Guide for that IP.

Table 1. COE File Keywords for Radix Values
Keyword	Description
`RADIX`	Used for non-memory cores to indicate the radix being used to specify the coefficients of the filter.
`MEMORY_INITIALIZATION_RADIX`	Used for memory initialization values to specify the radix used.

The following table describes COE file keywords for data values. Keywords are not case sensitive.

Table 2. COE File Keywords for Data Values
Keyword	Description
`COEFDATA`	Used for filters to indicate that the data that follows comprises the coefficients of the filter.
`MEMORY_INITIALIZATION_VECTOR`	Used for block and distributed memories.
`PATTERN`	Used for Bit Correlator COE files.
`BRANCH_LENGTH_VECTOR`	Used in Interleaver COE files.

Note: Any text after a semicolon is treated as a comment and ignored.

One of the following keywords must be the last keyword specified in the COE file:

COEFDATA
MEMORY_INITIALIZATION_VECTOR

Any other keywords that follow are ignored.