PLL and SYS Clock - 4.1 English

10G/25G High Speed Ethernet Subsystem Product Guide (PG210)

Document ID
PG210
Release Date
2023-11-10
Version
4.1 English
Table 1. PLL and SYS Clock Select Lines when RUNTIME SWITCH Feature Selected
Name Size I/O Description
gt_drp_done_* 1 I Indicates the completion of the GT DRP operation. Used to reset the GT module.
Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
txpllclksel_in_* 1 I TX PLL clock select lines.
Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
rxpllclksel_in_* 1 I RX PLL clock select lines.

This port is available when Runtime Switchable Mode is selected in the Configuration tab.

txsysclksel_in_* 1 I Select the TX PLL clock source to drive txoutclk.
Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
rxsysclksel_in_* 1 I Select the RX PLL clock source to drive rxoutclk
Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
rxafecfoken_* 1 I Only for UltraScale+ devices
rxdfecfokfcnum_* 1 I Only for UltraScale+ devices
speed_* 1 I This signal indicates the speed with which the core is working:

1’b1 = 10G and 1’b0 = 25G

Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
anlt_done_* 1 O Indicates the completion of Auto-Negotiation and Link Training.
Note: This port is available when Runtime Switchable Mode is selected in the Configuration tab.
axi_ctl_core_mode_switch_* 1 O This signal can be used to switch the line rate from 10G to 25G and vice-verse when selecting Include AXI4-Lite in the Configuration tab and write 1 to the 0x0138 self-clearing register to start the GT DRP operations.
user_reg0_* 32 O User-defined signal from the AXI4-Lite Reg map user_reg0 register.
Note: This port is available when Include AXI4-Lite interface is selected in the Configuration tab.
gt_drp_grant_* 1 O This signal indicates the GT DRP interface is busy or free.

1 indicates GT DRP interface ready to access for read or write

0 indicates GT DRP interface in busy in another transaction and can not be access for read or write.