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tt02.json
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tt02.json
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{
"version": 3,
"id": "tt02",
"name": "Tiny Tapeout 2",
"repo": "https://github.com/TinyTapeout/tinytapeout-02",
"commit": "872ca6c22c57358f80a30b78544c1192787f7462",
"updated": "2024-06-20T10:29:59Z",
"projects": [
{
"macro": "AidanMedcalf_pid_controller",
"address": 76,
"title": "TinyPID",
"author": "Aidan Medcalf",
"description": "Tiny PID controller with SPI configuration channel, SPI ADC and DAC driver",
"clock_hz": 1,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/AidanMedcalf/tt02-pid",
"commit": "b4a35acf44a6f5e21f3d722ce0d99c3e8c9e4db6",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "",
"io_in[3]": "cfg_clk",
"io_in[4]": "cfg_mosi",
"io_in[5]": "",
"io_in[6]": "cfg_cs",
"io_in[7]": "pv_in_miso",
"io_out[0]": "pv_in_clk",
"io_out[1]": "pv_in_cs",
"io_out[2]": "out_clk",
"io_out[3]": "out_mosi",
"io_out[4]": "out_cs",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "Asma_Mohsin_conv_enc_core",
"address": 118,
"title": "channel coding",
"author": "Asma Mohsin",
"description": "Convolutional coding is widely used in modern digital communication systems.We often get encoded data by using different polynomials having same constraint lengths (K).",
"clock_hz": 6000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/AsmaMohsin1507/tt02-channel-coding",
"commit": "f9e37a5b06ec60742e53d59e68086d3fa27437b7",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "data valid",
"io_in[3]": "data input",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "encoded data",
"io_out[1]": "",
"io_out[2]": "",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "adamgreig_tt02_adc_dac",
"address": 100,
"title": "Sigma-Delta ADC/DAC",
"author": "Adam Greig",
"description": "Simple ADC and DAC",
"clock_hz": 6000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/adamgreig/tt02-adc-dac",
"commit": "55ae3db3088fc5ab3be11037c1655954d12c5d73",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "adc_in",
"io_in[3]": "uart_in",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "adc_out",
"io_out[1]": "uart_out",
"io_out[2]": "dac_out",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "adamgreig_tt02_gps_ca_prn",
"address": 99,
"title": "GPS C/A PRN Generator",
"author": "Adam Greig",
"description": "Generate the GPS C/A PRN sequences PRN1 through PRN32",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/adamgreig/tt02-gpa-ca-prn",
"commit": "6f6fda30d99d6f7784584689308b5410fb06ea17",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "prn[0]",
"io_in[3]": "prn[1]",
"io_in[4]": "prn[2]",
"io_in[5]": "prn[3]",
"io_in[6]": "prn[4]",
"io_in[7]": "",
"io_out[0]": "G1",
"io_out[1]": "G2",
"io_out[2]": "Selected PRN",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "afoote_w5s8_tt02_top",
"address": 125,
"title": "w5s8: universal turing machine core",
"author": "Andrew Foote",
"description": "State transition logic for a 5-state, 8-symbol universal turing machine",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/andars/tt02-universal-turing-machine-w5s8",
"commit": "2db1114ee10d8c311639a80e4bc92d59e92dbae9",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "state_in[0]",
"io_in[2]": "state_in[1]",
"io_in[3]": "state_in[2]",
"io_in[4]": "sym_in[0]",
"io_in[5]": "sym_in[1]",
"io_in[6]": "sym_in[2]",
"io_in[7]": "mode",
"io_out[0]": "",
"io_out[1]": "next_direction",
"io_out[2]": "new_sym[0]",
"io_out[3]": "new_sym[1]",
"io_out[4]": "new_sym[2]",
"io_out[5]": "new_state[0]",
"io_out[6]": "new_state[1]",
"io_out[7]": "new_state[2]"
}
},
{
"macro": "aidan_McCoy",
"address": 8,
"title": "The McCoy 8-bit Microprocessor",
"author": "Aidan Good",
"description": "Custom RISC-V inspired microprocessor capable of simple arithmatic, branching, and jumps through a custom ISA.",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/AidanGood/tt02-McCoy",
"commit": "19880457d075dd8ab5e213410058f9628c537644",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "reset",
"io_in[2]": "in0",
"io_in[3]": "in1",
"io_in[4]": "in2",
"io_in[5]": "in3",
"io_in[6]": "in4",
"io_in[7]": "in5",
"io_out[0]": "out0",
"io_out[1]": "out1",
"io_out[2]": "out2",
"io_out[3]": "out3",
"io_out[4]": "out4",
"io_out[5]": "out5",
"io_out[6]": "out6",
"io_out[7]": "out7"
}
},
{
"macro": "alu_top",
"address": 7,
"title": "ALU",
"author": "Ryan Cornateanu",
"description": "2bit ALU with a ripple carry adder that has the capability to perform 16 different calculations",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/ryancor/tt02-submission-template",
"commit": "1ea9b9e540de8ac709d2923a1e4e8a479fdd359e",
"pinout": {
"io_in[0]": "A1",
"io_in[1]": "A2",
"io_in[2]": "B1",
"io_in[3]": "B2",
"io_in[4]": "ALU_Sel1",
"io_in[5]": "ALU_Sel2",
"io_in[6]": "ALU_Sel3",
"io_in[7]": "ALU_Sel4",
"io_out[0]": "ALU_Out1",
"io_out[1]": "ALU_Out2",
"io_out[2]": "ALU_Out3",
"io_out[3]": "ALU_Out4",
"io_out[4]": "ALU_Out5",
"io_out[5]": "ALU_Out6",
"io_out[6]": "ALU_Out7",
"io_out[7]": "CarryOut"
}
},
{
"macro": "aramsey118_freq_counter",
"address": 88,
"title": "Frequency Counter",
"author": "Andrew Ramsey",
"description": "Estimates the frequency of an input signal",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/ARamsey118/tiny_tapeout_freq_counter",
"commit": "973b579b48c26b5593546ea992ecc0256ee27fc0",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "signal",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "segment a",
"io_out[1]": "segment b",
"io_out[2]": "segment c",
"io_out[3]": "segment d",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": "signal"
}
},
{
"macro": "asic_multiplier_wrapper",
"address": 23,
"title": "4-bit Multiplier",
"author": "Fernando Dominguez Pousa",
"description": "4-bit Multiplier based on single bit full adders",
"clock_hz": 2500,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/kuriousd/tt02-4bit-multiplier",
"commit": "84b632753c3b0614a7abc07a91afd3138de241da",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "i_factor_a[0]",
"io_in[3]": "i_factor_a[1]",
"io_in[4]": "i_factor_a[2]",
"io_in[5]": "i_factor_b[3]",
"io_in[6]": "i_factor_b[4]",
"io_in[7]": "i_factor_b[5]",
"io_out[0]": "segment_1 (o_segments[0])",
"io_out[1]": "segment_2 (o_segments[1])",
"io_out[2]": "segment_3 (o_segments[2])",
"io_out[3]": "segment_4 (o_segments[3])",
"io_out[4]": "segment_5 (o_segments[4])",
"io_out[5]": "segment_6 (o_segments[5])",
"io_out[6]": "segment_7 (o_segments[6])",
"io_out[7]": "segment_dot (o_lsb_digit)"
}
},
{
"macro": "asinghani_beepboop",
"address": 151,
"title": "Beep Boop Traffic Light Controller",
"author": "Anish Singhani",
"description": "Sequencer for a traffic light with a walk button, with timings tuned to match the iconic 'beep boop' streetlight formerly installed in front of Carnegie Mellon University",
"clock_hz": 100,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/asinghani/tt02-beepboop",
"commit": "c00a715c7037b2f7c012a7f8de7fc8bdae7b0873",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "walk button",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "red",
"io_out[1]": "yellow",
"io_out[2]": "green",
"io_out[3]": "walk",
"io_out[4]": "no walk",
"io_out[5]": "noisemaker",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "azdle_binary_clock",
"address": 9,
"title": "binary clock",
"author": "Azdle",
"description": "A binary clock using multiplexed LEDs",
"clock_hz": 200,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/azdle/binary-clock-asic",
"commit": "559f0a1daf2183fe4da810f815f3cd5df0dd0e9c",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "pps",
"io_in[3]": "hours_b1",
"io_in[4]": "hours_b2",
"io_in[5]": "hours_b4",
"io_in[6]": "hours_b8",
"io_in[7]": "hours_b16",
"io_out[0]": "col 0",
"io_out[1]": "col 1",
"io_out[2]": "col 2",
"io_out[3]": "col 3",
"io_out[4]": "row 0",
"io_out[5]": "row 2",
"io_out[6]": "row 3",
"io_out[7]": ""
}
},
{
"macro": "browndeer_rv8u",
"address": 107,
"title": "RV8U - 8-bit RISC-V Microcore Processor",
"author": "David Richie",
"description": "8-bit processor based on RISC-V ISA",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/browndeer/rv8u",
"commit": "37b4962c842b3dadb64ddf07ebc6a4a899f66fe0",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "serdes input bit 0",
"io_in[3]": "serdes input bit 1",
"io_in[4]": "serdes input bit 2",
"io_in[5]": "serdes input bit 3",
"io_in[6]": "serdes input bit 4",
"io_in[7]": "serdes input bit 5",
"io_out[0]": "serdes output bit 0",
"io_out[1]": "serdes output bit 1",
"io_out[2]": "serdes output bit 2",
"io_out[3]": "serdes output bit 3",
"io_out[4]": "serdes output bit 4",
"io_out[5]": "serdes output bit 5",
"io_out[6]": "serdes output bit 6",
"io_out[7]": "serdes output bit 7"
}
},
{
"macro": "c_tt2_mrcs_test",
"address": 165,
"title": "MRCS Verilog test",
"author": "Steven Bos",
"description": "Testing various auto-generated verilog for various sync and async logic gates",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/aiunderstand/tt02-mrcs-verilog-test",
"commit": "d3bbf62c45ea3321629e7f9eedd12ceedbae11f0",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "",
"io_in[2]": "",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "",
"io_out[1]": "",
"io_out[2]": "",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "cchan_fp8_multiplier",
"address": 60,
"title": "8-bit (E4M3) Floating Point Multiplier",
"author": "Clive Chan",
"description": "8-bit (E4M3) Floating Point Multiplier",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/cchan/fp8_mul",
"commit": "0648d5f5e9137a889d79161fafb4f3bc18793b6e",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "ctrl0",
"io_in[2]": "ctrl1",
"io_in[3]": "ctrl2",
"io_in[4]": "data0",
"io_in[5]": "data1",
"io_in[6]": "data2",
"io_in[7]": "data3",
"io_out[0]": "sign",
"io_out[1]": "exponent",
"io_out[2]": "exponent",
"io_out[3]": "exponent",
"io_out[4]": "exponent",
"io_out[5]": "mantissa",
"io_out[6]": "mantissa",
"io_out[7]": "mantissa"
}
},
{
"macro": "chase_the_beat",
"address": 20,
"title": "chase the beat",
"author": "Emil J Tywoniak",
"description": "Tap twice to the beat, the outputs will chase the beat. Or generate some audio noise!",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/ekliptik/tt02-chase-the-beat",
"commit": "0458f440986569a5723042b329e49d1a201a915b",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "rst",
"io_in[2]": "tap",
"io_in[3]": "mode",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "o_0 - LED or noise output",
"io_out[1]": "o_1 - LED",
"io_out[2]": "o_2 - LED",
"io_out[3]": "o_3 - LED",
"io_out[4]": "o_4 - LED",
"io_out[5]": "o_5 - LED",
"io_out[6]": "o_6 - LED",
"io_out[7]": "o_7 - LED"
}
},
{
"macro": "chrisruk_matrix",
"address": 3,
"title": "Scrolling Binary Matrix display",
"author": "Chris",
"description": "Display scrolling binary data from input pin on 8x8 SK9822 LED matrix display",
"clock_hz": 6000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/chrisruk/matrixchip",
"commit": "f46ee2e4f8346eeca28c71dfd513d2439c59e45a",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "digit",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "LED Clock",
"io_out[1]": "LED Data",
"io_out[2]": "",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "cpldcpu_MCPU5plus",
"address": 78,
"title": "Zinnia+ (MCPU5+) 8 Bit CPU",
"author": "cpldcpu",
"description": "A minimal 8 bit CPU",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/cpldcpu/tt02-mcpu5plus",
"commit": "62c54302793dc2ea82a36c57db630ae24e0cc270",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "inst_in[0]",
"io_in[3]": "inst_in[1]",
"io_in[4]": "inst_in[2]",
"io_in[5]": "inst_in[3]",
"io_in[6]": "inst_in[4]",
"io_in[7]": "inst_in[5]",
"io_out[0]": "cpu_out[0]",
"io_out[1]": "cpu_out[1]",
"io_out[2]": "cpu_out[2]",
"io_out[3]": "cpu_out[3]",
"io_out[4]": "cpu_out[4]",
"io_out[5]": "cpu_out[5]",
"io_out[6]": "cpu_out[6]",
"io_out[7]": "cpu_out[7]"
}
},
{
"macro": "cpldcpu_TrainLED2top",
"address": 77,
"title": "TrainLED2 - RGB-LED driver with 8 bit PWM engine",
"author": "cpldcpu",
"description": "A RGB-LED driver using the WS2812 protocol",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/cpldcpu/tt02-TrainLED",
"commit": "444d5b0d1abdf1261a15d89c0cd72f9ea7f4e1c8",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "Din Driver A",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "Dout Driver A",
"io_out[1]": "LED1A",
"io_out[2]": "LED2A",
"io_out[3]": "LED3A",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "davidsiaw_stackcalc",
"address": 80,
"title": "Stack Calculator",
"author": "David Siaw",
"description": "A stack based 4-bit calculator featuring a 4-bit wide 8 entry deep stack and 64 bits of random access memory.",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/davidsiaw/tt02-davidsiaw-stackcalc",
"commit": "0c9516ce4df54b7b6494791c27edadaf65da896d",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "rst",
"io_in[2]": "input0",
"io_in[3]": "input1",
"io_in[4]": "input2",
"io_in[5]": "input3",
"io_in[6]": "mode0",
"io_in[7]": "mode1",
"io_out[0]": "output0",
"io_out[1]": "output1",
"io_out[2]": "output2",
"io_out[3]": "output3",
"io_out[4]": "output4",
"io_out[5]": "output5",
"io_out[6]": "output6",
"io_out[7]": "output7"
}
},
{
"macro": "ericsmi_speed_test",
"address": 75,
"title": "Ring OSC Speed Test",
"author": "Eric Smith",
"description": "Make two rings with the same number of stages but measure how their frequency differs. Measure if they can influence eachother.",
"clock_hz": 6000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/ericsmi/tt02-verilog-ring-osc-demo",
"commit": "0ae81c9980c0231e4486f5cd8e83a88697e1ee82",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "nreset",
"io_in[2]": "trig",
"io_in[3]": "sel[0]",
"io_in[4]": "sel[1]",
"io_in[5]": "sel[2]",
"io_in[6]": "ring_en[0]",
"io_in[7]": "ring_en[1]",
"io_out[0]": "out[0]",
"io_out[1]": "out[1]",
"io_out[2]": "out[2]",
"io_out[3]": "out[3]",
"io_out[4]": "out[4]",
"io_out[5]": "out[5]",
"io_out[6]": "out[6]",
"io_out[7]": "out[7]"
}
},
{
"macro": "femto_top",
"address": 143,
"title": "Femto 4-bit CPU",
"author": "Majdi Abdul Samad",
"description": "Design of a small single-cycle CPU with simple RISC/Accumulator ISA",
"clock_hz": 5,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/majdiabdulsamad/tt02-Femto",
"commit": "78a35d7435b7ec82aff22c81200d424a0837af4d",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "opcode[0]",
"io_in[2]": "opcode[1]",
"io_in[3]": "opcode[2]",
"io_in[4]": "reg_dest[0]",
"io_in[5]": "reg_dest[1]",
"io_in[6]": "reg_src[0]",
"io_in[7]": "reg_src[1]",
"io_out[0]": "segment a",
"io_out[1]": "segment b",
"io_out[2]": "segment c",
"io_out[3]": "segment d",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": ""
}
},
{
"macro": "flygoat_tt02_play_tune",
"address": 54,
"title": "Multiple Tunes on A Piezo Speaker",
"author": "Jiaxun Yang",
"description": "Plays multiple Tunes over a Piezo Speaker connected across io_out[1:0]",
"clock_hz": 10000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/FlyGoat/tt02-play-tune-flygoat",
"commit": "7a6d72e5f401e2875f0614360dd5b935f356801f",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "tune_sel0",
"io_in[3]": "tune_sel1",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "piezo_speaker_p",
"io_out[1]": "piezo_speaker_n",
"io_out[2]": "ledout_0",
"io_out[3]": "ledout_1",
"io_out[4]": "ledout_2",
"io_out[5]": "ledout_3",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "fraserbc_simon",
"address": 1,
"title": "SIMON Cipher",
"author": "Fraser Price",
"description": "Simon32/64 Encryption",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/Fraserbc/tt02-simon",
"commit": "b1c990817604b55ee1bf8220caf15d20c1bec6d3",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "shift",
"io_in[2]": "data_in[0]",
"io_in[3]": "data_in[1]",
"io_in[4]": "data_in[2]",
"io_in[5]": "data_in[3]",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "data_out[0]",
"io_out[1]": "data_out[1]",
"io_out[2]": "data_out[2]",
"io_out[3]": "data_out[3]",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": ""
}
},
{
"macro": "frog",
"address": 114,
"title": "FROG 4-Bit CPU",
"author": "ChrisPVille",
"description": "The FROG is an extremely minimal load-store 4-bit CPU",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/ChrisPVille/tt02-FROG4bitCPU",
"commit": "6a61c4395d3ade5bfa79949e58f1adcea52d6c46",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset_p",
"io_in[2]": "data_in[0]",
"io_in[3]": "data_in[1]",
"io_in[4]": "data_in[2]",
"io_in[5]": "data_in[3]",
"io_in[6]": "",
"io_in[7]": "fast - zero wait state memory mode",
"io_out[0]": "addr[0]",
"io_out[1]": "addr[1]",
"io_out[2]": "addr[2]",
"io_out[3]": "addr[3]",
"io_out[4]": "addr[4]",
"io_out[5]": "addr[5]",
"io_out[6]": "addr[6]",
"io_out[7]": "write memory cycle"
}
},
{
"macro": "gatecat_fpga_top",
"address": 90,
"title": "FPGA test",
"author": "myrtle",
"description": "small mux2 fpga test",
"clock_hz": 1000,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/gatecat/tt02-fpga-respin",
"commit": "88a66f97b56637a5b6f1260b7a8259ab1be579d6",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "cfg_frameinc",
"io_in[2]": "cfg_framestrb",
"io_in[3]": "cfg_mode",
"io_in[4]": "cfg_sel0_in0",
"io_in[5]": "cfg_sel0_in1",
"io_in[6]": "cfg_sel0_in2",
"io_in[7]": "cfg_sel0_in3",
"io_out[0]": "out 0",
"io_out[1]": "out 1",
"io_out[2]": "out 2",
"io_out[3]": "out 3",
"io_out[4]": "out 4",
"io_out[5]": "out 5",
"io_out[6]": "out 6",
"io_out[7]": "out 7"
}
},
{
"macro": "github_com_proppy_tt02_xls_counter",
"address": 51,
"title": "XLS: 8-bit counter",
"author": "proppy",
"description": "Increment output bits",
"clock_hz": 10,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/proppy/tt02-xls-counter",
"commit": "6af1f6d2f3739b95f99829a634e69b075c848835",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "count0",
"io_out[1]": "count1",
"io_out[2]": "count2",
"io_out[3]": "count3",
"io_out[4]": "count4",
"io_out[5]": "count5",
"io_out[6]": "count6",
"io_out[7]": "count7"
}
},
{
"macro": "github_com_proppy_tt02_xls_popcount",
"address": 42,
"title": "XLS: bit population count",
"author": "proppy",
"description": "Count bits set in the input.",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/proppy/tt02-xls-popcount",
"commit": "962ea59c7fb753b57a24dc3d4484a1bb55be588d",
"pinout": {
"io_in[0]": "bit0",
"io_in[1]": "bit1",
"io_in[2]": "bit2",
"io_in[3]": "bit3",
"io_in[4]": "bit4",
"io_in[5]": "bit5",
"io_in[6]": "bit6",
"io_in[7]": "bit7",
"io_out[0]": "count0",
"io_out[1]": "count1",
"io_out[2]": "count2",
"io_out[3]": "count3",
"io_out[4]": "count4",
"io_out[5]": "count5",
"io_out[6]": "count6",
"io_out[7]": "count7"
}
},
{
"macro": "gregdavill_clock_top",
"address": 127,
"title": "Seven Segment Clock",
"author": "Greg Davill",
"description": "Logic to drive 6 external 74hct595's that in turn drive 7 segment displays. The displays form a digital clock.",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/gregdavill/tt02-clock",
"commit": "50392addd4fdf3e90a242e9ef247a4d0b68aa272",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "minute_up",
"io_in[3]": "hour_up",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "sclk",
"io_out[1]": "latch",
"io_out[2]": "data",
"io_out[3]": "",
"io_out[4]": "",
"io_out[5]": "",
"io_out[6]": "",
"io_out[7]": ""
}
},
{
"macro": "gregdavill_serv_top",
"address": 128,
"title": "serv - Serial RISCV CPU",
"author": "Greg Davill",
"description": "An award winning RISCV CPU!",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/gregdavill/tt02-serv",
"commit": "13510890c9a79e299698c23b0a4498edb8369fec",
"pinout": {
"io_in[0]": "clock",
"io_in[1]": "reset",
"io_in[2]": "",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "segment a",
"io_out[1]": "segment b",
"io_out[2]": "segment c",
"io_out[3]": "segment d",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": ""
}
},
{
"macro": "hex_sr",
"address": 74,
"title": "hex shift register",
"author": "Eric Smith",
"description": "six 40-bit shift registers",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/brouhaha/tt02-hex-sr",
"commit": "c1934501b381b64990360c84c826605f5b8341ae",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "recirc",
"io_in[2]": "data_in[0]",
"io_in[3]": "data_in[1]",
"io_in[4]": "data_in[2]",
"io_in[5]": "data_in[3]",
"io_in[6]": "data_in[4]",
"io_in[7]": "data_in[5]",
"io_out[0]": "",
"io_out[1]": "",
"io_out[2]": "data_out[0]",
"io_out[3]": "data_out[1]",
"io_out[4]": "data_out[2]",
"io_out[5]": "data_out[3]",
"io_out[6]": "data_out[4]",
"io_out[7]": "data_out[5]"
}
},
{
"macro": "jar_pi",
"address": 36,
"title": "Pi (\u03c0) to 1000+ decimal places",
"author": "James Ross",
"description": "This circuit outputs the first 1024 decimal digits of Pi (\u03c0), including the decimal after the three. The repository started out as something else, but after completing the 16x8 SRAM circiut (128 bits), I became curious about just how much information could be packed into the circuit area. The D flip flops in SRAM aren't particularly dense and the circuit has other functionality beyond information storage. For this demonstration, I needed something without a logical pattern, something familiar, and something which would exercise all the LEDs in the seven segment display. The Pi constant was perfect. After a number of experiments in Verilog, trying the Espresso Heuristic Logic Minimizer tool, the best results ended up being a large boring block of case statements and letting the toolchain figure it out. The information limit I found was 1023*log2(10)+1 ~= 3,400 bits, after which the toolchain struggled. However, it appears in this case that the layout is limited by metal, not combinatorial logic. I am interested to hear about better strategies to do something like this with synthesizable Verilog.",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/jar/tt02_freespeech",
"commit": "a3b363e9fc6ae36dd485b7fec6067099a6e7b03a",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "reset",
"io_in[2]": "",
"io_in[3]": "",
"io_in[4]": "",
"io_in[5]": "",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "segment a",
"io_out[1]": "segment b",
"io_out[2]": "segment c",
"io_out[3]": "segment d",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": "decimal LED"
}
},
{
"macro": "jar_sram_top",
"address": 11,
"title": "16x8 SRAM & Streaming Signal Generator",
"author": "James Ross",
"description": "Write to, Read from, and Stream 16 addressable 8-bit words of memory",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/jar/tt02_sram",
"commit": "4c4dc7560efc6d40e6ea0d3a8cd03ac3ae96c8e5",
"pinout": {
"io_in[0]": "clk",
"io_in[1]": "we",
"io_in[2]": "oe",
"io_in[3]": "commit",
"io_in[4]": "addr[0]/high[0]/low[0]",
"io_in[5]": "addr[1]/high[1]/low[1]",
"io_in[6]": "addr[2]/high[2]/low[2]",
"io_in[7]": "addr[3]/high[3]/low[3]",
"io_out[0]": "data[0]",
"io_out[1]": "data[1]",
"io_out[2]": "data[2]",
"io_out[3]": "data[3]",
"io_out[4]": "data[4]",
"io_out[5]": "data[5]",
"io_out[6]": "data[6]",
"io_out[7]": "data[7]"
}
},
{
"macro": "jglim_7seg",
"address": 101,
"title": "BCD to Hex 7-Segment Decoder",
"author": "JinGen Lim",
"description": "Converts a 4-bit BCD input into a hexadecimal 7-segment display output",
"clock_hz": 0,
"tiles": "1x1",
"analog_pins": [],
"repo": "https://github.com/jglim/tt02-bcd-hex7seg-hdl",
"commit": "e70b4d2630665937166f399c1cf2f8f86ad38ae5",
"pinout": {
"io_in[0]": "input 1 (BCD 1)",
"io_in[1]": "input 2 (BCD 2)",
"io_in[2]": "input 3 (BCD 4)",
"io_in[3]": "input 4 (BCD 8)",
"io_in[4]": "decimal dot (passthrough)",
"io_in[5]": "output invert",
"io_in[6]": "",
"io_in[7]": "",
"io_out[0]": "segment a",
"io_out[1]": "segment b",
"io_out[2]": "segment c",
"io_out[3]": "segment d",
"io_out[4]": "segment e",
"io_out[5]": "segment f",
"io_out[6]": "segment g",
"io_out[7]": "segment dot"
}
},
{
"macro": "jleightcap_top",