CPRI Intel® FPGA IP User Guide

ID 683595
Date 4/04/2022

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5.6. TX_SCR Register

Table 60.  TX_SCR Register at Offset 0x14
Bits Field Name Type Value on Reset Description
31 tx_scr_active R0 1'b0 Indicates the scrambled transmitter hyperframe. The value 1 indicates scrambled transmitter data, and the value 0 indicates that the transmitter data is not scrambled.

The IP core determines whether or not the transmitter data need to be scrambled based on the protocol version.

30:0 tx_scr_seed RW 31'b0 Transmitter scrambler seed. If the seed has value 0, the transmission is not scrambled.