Arria® 10 Hard Processor System Technical Reference Manual
8.2.5.1. List of Main L3 Interconnect Clocks
| Clock Name | Description | Synchronous to l3_main_free_clk | 
|---|---|---|
| l3_main_free_clk | Clocks the main L3 interconnect | — | 
| l4_sys_free_clk | Clocks the following interconnect components: 
 | Y | 
| l4_main_clk | Clocks fast L4 peripherals on the L4 main bus Refer to "System Interconnect Master Properties" and "System Interconnect Slave Properties" for detailed peripheral-to-clock mappings. | Y | 
| l4_mp_clk | Clocks the following interconnect components: 
 Refer to "System Interconnect Master Properties" and "System Interconnect Slave Properties" for detailed peripheral-to-clock mappings. | Y | 
| l4_sp_clk | Clocks slow L4 peripherals on the L4 SP bus. Refer to "System Interconnect Master Properties" and "System Interconnect Slave Properties" for detailed peripheral-to-clock mappings. | Y | 
| cs_at_clk | CoreSight* trace clock. Clocks the CoreSight* Embedded Trace Router (ETR) master interface. | Y | 
| mpu_l2ram_clk | Clocks the MPU subsystem master interfaces. | N | 
| fpga2hps_clk | Clocks the FPGA-to-HPS bridge. | N | 
| hps2fpga_clk | Clocks the HPS-to-FPGA bridge. | N | 
| lwh2fpga_clk | Clocks the lightweight HPS-to-FPGA bridge. | N |