| Field | Bits | Range | Description |
|---|---|---|---|
| id | 31:24 | 0 to 255 | External block identifier to be passed through to status output |
| max_iterations | 23:18 | 1 to 63 | Maximum number of iterations |
| term_on_no_change | 17 | 0 or 1 |
0: Do not terminate early if there is no change in the hard systematic bits for the block between iterations 1: Terminate early if there is no change in the hard systematic bits between iterations |
| term_on_pass | 16 | 0 or 1 |
0: Do not terminate early if CRC passes 1: Terminate early if CRC passes |
| include_parity_op | 15 | 0 to 1 |
0: Output systematic values only 1: Output systematic values and parity |
| hard_op | 14 | 0 to 1 |
0: Soft output 1: Hard output |
| crc_type | 13 | 0 to 1 |
0: CRC24B 1: CRC24A These CRC types are defined in 3GPP TS 38.212 V15.0.0 Multiplexing and channel coding |
| code_block_size | 12:0 | 40 to 6144 | Turbo code block size (K); encoded block size N=3*K+12 |