PLL and SYS Clock - 3.3 English

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

Document ID: PG210
Release Date: 2020-12-16
Version: 3.3 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.