Achronix Speedster22i Snapshot Manual do Utilizador descarregar pdf (Página 11)

users_logic_block_instance: users_logic

port map ( clk => usr_clk,

rstn => rstn,

data_out_from_block => monitor_ch_to_monitor ,

data_for_trigger => trigger_ch_to_trigger,

snapshot_arm => arm,

stimuli => stimuli);

----- END VHDL EXAMPLE ---

Snap_shot_core

Snapshot_top

User Logic

tck

trstn

tms

tdi

tdo

usr_clk

Monitor_ch

trigger_ch

Arm

Stimuli

rstn_out

Figure 4: Block diagram of Snapshot macro connection to user’s logic

After incorporating the Snapshot macro into the design, the user will be able to synthesize

the design with the Synplify-Pro or Precision synthesis tool. After synthesis, the generated

netlist can be imported into ACE (Achronix CAD Environment), to generate the FPGA

programming file.

Note: To implement the Snapshot macro, the user needs to include timing and placement

constraints via an SDC and PDC file. Below are the Snapshot-specific constraints:

UG016, September 22, 2014

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Achronix Speedster22i Snapshot Manual do Utilizador Página 11