Synthesis and Ngdbuild Report synthesis: version Diamond (64-bit) 3.8.0.115.3 Copyright (c) 1991-1994 by NeoCAD Inc. All rights reserved. Copyright (c) 1995 AT&T Corp. All rights reserved. Copyright (c) 1995-2001 Lucent Technologies Inc. All rights reserved. Copyright (c) 2001 Agere Systems All rights reserved. Copyright (c) 2002-2016 Lattice Semiconductor Corporation, All rights reserved. Sat Dec 16 18:05:12 2017 Command Line: synthesis -f i2c_master_AT24C02_i2c_master_AT24C02_lattice.synproj -gui Synthesis options: The -a option is MachXO2. The -s option is 4. The -t option is CSBGA132. The -d option is LCMXO2-4000HC. Using package CSBGA132. Using performance grade 4. ########################################################## ### Lattice Family : MachXO2 ### Device : LCMXO2-4000HC ### Package : CSBGA132 ### Speed : 4 ########################################################## Optimization goal = Balanced Top-level module name = i2c_master. Target frequency = 1.000000 MHz. Maximum fanout = 1000. Timing path count = 3 BRAM utilization = 100.000000 % DSP usage = true DSP utilization = 100.000000 % fsm_encoding_style = auto resolve_mixed_drivers = 0 fix_gated_clocks = 1 Mux style = Auto Use Carry Chain = true carry_chain_length = 0 Loop Limit = 1950. Use IO Insertion = TRUE Use IO Reg = AUTO Resource Sharing = TRUE Propagate Constants = TRUE Remove Duplicate Registers = TRUE force_gsr = auto ROM style = auto RAM style = auto The -comp option is FALSE. The -syn option is FALSE. -p C:/Users/22822/Desktop/i2c_master_AT24C02 (searchpath added) -p E:/lscc/diamond/3.8_x64/ispfpga/xo2c00/data (searchpath added) -p C:/Users/22822/Desktop/i2c_master_AT24C02/i2c_master_AT24C02 (searchpath added) -p C:/Users/22822/Desktop/i2c_master_AT24C02 (searchpath added) Verilog design file = C:/Users/22822/Desktop/i2c_master_AT24C02/i2c_master_AT24C02/source/clk_div.v Verilog design file = C:/Users/22822/Desktop/i2c_master_AT24C02/i2c_master_AT24C02/source/i2c_master.v Verilog design file = C:/Users/22822/Desktop/i2c_master_AT24C02/i2c_master_AT24C02/source/i2c_master_config.v Verilog design file = C:/Users/22822/Desktop/i2c_master_AT24C02/i2c_master_AT24C02/source/i2c_master_logic.v NGD file = i2c_master_AT24C02_i2c_master_AT24C02.ngd -sdc option: SDC file input not used. -lpf option: Output file option is ON. Hardtimer checking is enabled (default). The -dt option is not used. The -r option is OFF. [ Remove LOC Properties is OFF. ] Technology check ok... Analyzing Verilog file E:/lscc/diamond/3.8_x64/ispfpga/userware/NT/SYNTHESIS_HEADERS/machxo2.v. VERI-1482 Compile design. Compile Design Begin Analyzing Verilog file c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/clk_div.v. VERI-1482 Analyzing Verilog file c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master.v. VERI-1482 Analyzing Verilog file c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master_config.v. VERI-1482 Analyzing Verilog file c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master_logic.v. VERI-1482 Analyzing Verilog file E:/lscc/diamond/3.8_x64/ispfpga/userware/NT/SYNTHESIS_HEADERS/machxo2.v. VERI-1482 Top module name (Verilog): i2c_master INFO - synthesis: c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master.v(2): compiling module i2c_master. VERI-1018 INFO - synthesis: c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/clk_div.v(18): compiling module clk_div. VERI-1018 INFO - synthesis: c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master_config.v(1): compiling module i2c_master_config. VERI-1018 INFO - synthesis: c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master_logic.v(1): compiling module i2c_master_logic. VERI-1018 Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/xo2c00a/data/xo2alib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/xo2c00/data/xo2clib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/mg5g00/data/mg5glib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/or5g00/data/orc5glib.ngl'... Loading device for application map from file 'xo2c4000.nph' in environment: E:/lscc/diamond/3.8_x64/ispfpga. Package Status: Final Version 1.44. Top-level module name = i2c_master. INFO - synthesis: Extracted state machine for register '\i2c_master_config_inst/i2c_state' with one-hot encoding State machine has 4 reachable states with original encodings of: 00 01 10 11 original encoding -> new encoding (one-hot encoding) 00 -> 0001 01 -> 0010 10 -> 0100 11 -> 1000 WARNING - synthesis: Bit 0 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 1 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 2 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 3 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 4 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 6 of Register \i2c_master_config_inst/i2c_config is stuck at Zero WARNING - synthesis: Bit 1 of Register \i2c_master_config_inst/i2c_reg_data is stuck at Zero WARNING - synthesis: Bit 5 of Register \i2c_master_config_inst/i2c_reg_data is stuck at Zero WARNING - synthesis: Bit 0 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 1 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 2 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 3 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 4 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 5 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 6 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 7 of Register \i2c_master_config_inst/i2c_reg_addr is stuck at Zero WARNING - synthesis: Bit 1 of Register \i2c_master_config_inst/i2c_dev_addr is stuck at Zero WARNING - synthesis: Bit 3 of Register \i2c_master_config_inst/i2c_dev_addr is stuck at Zero WARNING - synthesis: Bit 4 of Register \i2c_master_config_inst/i2c_dev_addr is stuck at Zero WARNING - synthesis: Bit 5 of Register \i2c_master_config_inst/i2c_dev_addr is stuck at Zero WARNING - synthesis: Bit 6 of Register \i2c_master_config_inst/i2c_dev_addr is stuck at Zero WARNING - synthesis: Bit 0 of Register \i2c_master_config_inst/i2c_master_logic_inst/state_current is stuck at Zero WARNING - synthesis: c:/users/22822/desktop/i2c_master_at24c02/i2c_master_at24c02/source/i2c_master_config.v(70): Register \i2c_master_config_inst/i2c_state_FSM_i3 is stuck at Zero. VDB-5013 GSR instance connected to net rst_n_c. WARNING - synthesis: Initial value found on instance \i2c_master_config_inst/i2c_master_logic_inst/sda_ctl_511 will be ignored. Applying 1.000000 MHz constraint to all clocks WARNING - synthesis: No user .sdc file. Results of NGD DRC are available in i2c_master_drc.log. Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/xo2c00a/data/xo2alib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/xo2c00/data/xo2clib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/mg5g00/data/mg5glib.ngl'... Loading NGL library 'E:/lscc/diamond/3.8_x64/ispfpga/or5g00/data/orc5glib.ngl'... All blocks are expanded and NGD expansion is successful. Writing NGD file i2c_master_AT24C02_i2c_master_AT24C02.ngd. ################### Begin Area Report (i2c_master)###################### Number of register bits => 122 of 4635 (2 % ) BB => 1 CCU2D => 32 FD1P3AX => 18 FD1P3AY => 3 FD1P3IX => 47 FD1S3AX => 7 FD1S3AY => 1 FD1S3IX => 46 GSR => 1 IB => 2 LUT4 => 401 OB => 9 PFUMX => 19 ################### End Area Report ################## ################### Begin BlackBox Report ###################### TSALL => 1 ################### End BlackBox Report ################## ################### Begin Clock Report ###################### Clock Nets Number of Clocks: 3 Net : clk_div_inst/clk_div_100k, loads : 75 Net : sys_clk_12m_c, loads : 45 Net : i2c_master_config_inst/i2c_flag, loads : 3 Clock Enable Nets Number of Clock Enables: 27 Top 10 highest fanout Clock Enables: Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_55, loads : 10 Net : i2c_master_config_inst/sys_clk_12m_c_enable_8, loads : 8 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_44, loads : 4 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_17, loads : 4 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_54, loads : 4 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_34, loads : 4 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_18, loads : 4 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_27, loads : 4 Net : i2c_master_config_inst/sys_clk_12m_c_enable_10, loads : 3 Net : i2c_master_config_inst/i2c_master_logic_inst/clk_div_100k_enable_56, loads : 3 Highest fanout non-clock nets Top 10 highest fanout non-clock nets: Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_0, loads : 45 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_3, loads : 42 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_4, loads : 35 Net : clk_div_inst/n4871, loads : 32 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_13, loads : 29 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_8, loads : 27 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_10, loads : 26 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_5, loads : 25 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_12, loads : 25 Net : i2c_master_config_inst/i2c_master_logic_inst/state_current_11, loads : 25 ################### End Clock Report ################## Timing Report Summary -------------- -------------------------------------------------------------------------------- Constraint | Constraint| Actual|Levels -------------------------------------------------------------------------------- | | | create_clock -period 1000.000000 -name | | | clk2 [get_nets clk_div_100k] | 1.000 MHz| 57.597 MHz| 11 | | | create_clock -period 1000.000000 -name | | | clk1 [get_nets | | | \i2c_master_config_inst/i2c_flag] | 1.000 MHz| 291.036 MHz| 2 | | | create_clock -period 1000.000000 -name | | | clk0 [get_nets sys_clk_12m_c] | 1.000 MHz| 98.164 MHz| 6 | | | -------------------------------------------------------------------------------- All constraints were met. Peak Memory Usage: 69.891 MB -------------------------------------------------------------- Elapsed CPU time for LSE flow : 3.297 secs --------------------------------------------------------------