The scan opcode identifies a vector as a scan vector. The opcode also defines the number of scan-cycle subrows the vector includes for shifting data across one or more channels.

Syntax Reference

Table 4. Syntax Description for the Scan Opcode
Syntax Description
scan(cycle_count) Designates a vector as a scan vector and declares the number of scan cycle subrows each scan vector has.

Parameter Definitions

  • cycle_count—The number of scan cycles in this scan vector. The value of this parameter must be a positive integer.

    • Scanning 6 Bits with scan(6) on Multiple Channels

    pattern NewScanPattern (CLK, ScanIn0, ScanIn1, ScanOut0, ScanOut1)
{
    scan(6)                          TSetScan 0 _ _ _ _;
    {
        ScanIn0   010101;
        ScanIn1   101010;
        ScanOut0  LHLHLH;
        ScanOut1  HLHLHL;
    };
}