Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 4/01/2024
Public

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15.5.7.5. CoreSight* Debug and Trace Clocks

The following table lists all the CoreSight* debug and trace clocks.

Table 408.   CoreSight* Debug and Trace Clocks
Clock Name Source Destination Description
dap_tck External JTAG host CoreSight* DAP SWJ-DP JTAG TCK, Up to 60MHz
cs_at_clk Clock Manager All CoreSight Trace blocks that move trace packets on the ATB, and the Timestamp components.

Trace Clock,

CoreSight Trace Timestamp Clock

Up to 400Mhz during operation

cs_pdbg_clk Clock Manager All CoreSight Debug and Trace blocks with an APB Peripheral Bus.

APB Clock,

Up to 200Mhz during operation

cs_trace_clk Clock Manager CoreSight Trace Port Interface Unit

Port Clock. This is independent and defaults to a low frequency (25 MHz) for lower speed debuggers.

Up to 400Mhz during operation

TPIU_TRACECLK CoreSight TPIU TPIU trace clock output.

TPIU generates this clock by dividing cs_at_clk by 2

Supported frequency:

200/100/50/25/12.5 MHz