Achronix Speedster22i Snapshot Instrukcja Użytkownika Strona 1

Speedster22i Snapshot User Guide UG016 – September 22, 2014 UG016, September 22, 2014 1

trstn : in std_logic ; tms : in std_logic ; tdi : in std_logic ; tdo : out std_logic ; usr_clk : in std_logic ; Monitor_ch : in std_logic_

users_logic_block_instance: users_logic port map ( clk => usr_clk, rstn => rstn, data_out_from_block => monitor_ch_to_monitor

Clock constraints (SDC file): ###### CLOCK CONSTRAINTS INSIDE .SDC FILE ##### create_clock -period 10ns usr_clk create_clock –period 40ns snapshot_in

Snapshot GUI in ACE The following procedures describe how to invoke the Snapshot view in ACE. 1. Open the ACE GUI tool as shown in Figure 5. Figu

Figure 6: Snapshot Debugger Tool view a. Select the Download tab from the GUI b. Specify the correct pod name in the “Specify Pod Name” box. c.

JTAG Scan Chain: This option has several sub-options. a. IR Bits Before Device: This option sets the number of instruction register bits before the t

Select Using AND: This option is used to set the trigger condition on the 72-bit bus to be captured. Select Using OR: This option is used to set the t

4. Save Snapshot Configuration file and Load Snapshot Configuration file: The Snapshot Debugger tool has options to save the Snapshot configuration f

Revision History The following table shows the revision history for this document. Date Version Revisions 4/05/2013 1.0 Initial Achronix release. 4/

Copyright Info Copyright © 2014 Achronix Semiconductor Corporation. All rights reserved. Achronix is a trademark and Speedster is a registered tradem

Table of Contents Copyright Info ... 2 Table of Conte

Snapshot Overview Snapshot is the real-time design debugging tool for Speedster22iHD FPGAs. Snapshot, which is embedded in the ACE Software, delivers

General Description and Architecture The Snapshot macro samples user-signals in real time, and sends the captured data back through the JTAG interface

Trigger Detector As illustrated in Figure 3, the Trigger Detector receives one 36-bit each from the trigger pattern (pattern_in), don’t care sequence

Snapshot Interface Below is the port list of the Snapshot macro: Table 1: Pin Descriptions of Snapshot Macro Pin Name Type Description tck Input JTAG

Implementation The ACX_SNAPSHOT macro is the top level module in the implementation of Snapshot. This macro exists inside the Speedster Black-Box libr

.Monitor_ch(monitor_ch), .trigger_ch(trigger_ch), .rstn_out (rstn_out), .Arm (Arm), .Stimuli (Stimuli) ); /////// NOTE: Parameter value sec