CONFIGURATION_TX_REG1: 000C - 2.6 English

1G/10G/25G Switching Ethernet Subsystem Product Guide (PG292)
Document ID
PG292
Release Date
2021-02-05
Version
2.6 English
Table 1. CONFIGURATION_TX_REG1: 000C
Bits Default Type Signal
0 1 RW ctl_tx_enable 1
1 1 RW ctl_tx_fcs_ins_enable 1
2 0 RW ctl_tx_ignore_fcs 1
3 0 RW ctl_tx_send_lfi 1
4 0 RW ctl_tx_send_rfi 1
5 0 RW ctl_tx_send_idle 1
7:6 2 RW ctl_core_speed_sel 3
13:10 12 RW ctl_tx_ipg_value 1
14 0 RW ctl_tx_test_pattern
15 0 RW ctl_tx_test_pattern_enable
16 0 RW ctl_tx_test_pattern_select
17 0 RW ctl_tx_data_pattern_select
18 0 RW ctl_tx_custom_preamble_enable 1
23 0 RW ctl_tx_prbs31_test_pattern_enable 2
  1. Only in MAC+PCS variant.
  2. Only in PCS variant.
  3. 2'b10: This is the default configuration. You have to write this to configure the core in 10G mode.

    2'b01: You have to write this to configure the core in 1G mode.

    2'b00: You have to write this to configure the core in 25G mode.

    Others: Reserved.

    The values provided by these two register bits are ignored when Auto-Negotiation is enabled. Auto-switching is performed according to the resolved speed between the local device and the link partner.