Kefir I Collection

Collection for the Kefir I board in Icestudio.

Install

• Download the collection: stable or development
• Install the collection: Tools > Collections > Add
• Load the collection: Select > Collection

Blocks

• Const

  • Bus Fixed and configurable constant values for 2/4/8/16/32 bits
    • 0
    • 1s
    • Val
  • Bit standard 0/1

• Input

  • CapSense 2/3/4 capacitive buttons
  • Teclado base (detecta extendidos y soltar teclas)
  • Tecla presionada (0/1/2/3/4/5/6/7/8/9)
  • Tecla estado (0/1/2/3/4/5/6/7/8/9/↑/↓/←/→)
  • Conversor A/D (Kéfir I MCP3008)

• Logic

  • AND 2 to 8 inputs
  • NAND 2 to 8 inputs
  • OR 2 to 8 inputs
  • NOR 2 to 8 inputs
  • XOR 2 to 8 inputs
  • XNOR 2 to 8 inputs
  • NOT

• Varios

  • Aritmetica
    • Comparadores
      • >/=/< (2/4/8/16/32)
      • = (2/4/8/16/32)
      • = constante (2/4/8/16/32)
      • Didactico
        • Comparador por = de 2 bits
        • Comparador por > de 2 bits
        • Comparador por >/=/< de 2 bits
        • Comparador de 3 bits
        • Comparador de 4 bits
    • Complemento a 1 (2/4/8/16/32)
    • Complemento a 2 (2/4/8/16/32)
    • Extender sign extend
      • 1 → 2/4/8/16/32
      • 2 → 4/8/16/32
      • 4 → 8/16/32
      • 8 → 16/32
      • 16 → 32
    • Incrementador (2/4/8/16/32)
      • Con carry y overflow (2/4/8/16/32)
      • Simple (2/4/8/16/32)
    • Restadores
      • Completo (Borrow in/out and oVerflow) (2/4/8/16/32)
      • Simple (Borrow out) (2/4/8/16/32)
    • Sumadores
      • Completo (Carry in/out and oVerflow) (2/4/8/16/32)
      • Simple (Carry out) (2/4/8/16/32)
      • Didactico
        • Medio sumador (Half adder)
        • Sumador completo (Full adder)
        • Sumador de 2 bits (using full adders)
        • Sumador de 4 bits (using 2 bits adders)
        • Sumador de 8 bits (using 4 bits adders)
  • Biestables
    • Flip-flop D
      • Async clr + clock enable + reset
      • Clock enable + reset
      • Simple
    • Flip-flop T
      • Async clr + clock enable + reset
      • Clock enable + reset
      • Simple
    • Flip-flop RS
      • Async clr + clock enable + reset
      • Clock enable + reset
      • Simple
    • Flip-flop JK
      • Async clr + clock enable + reset
      • Clock enable + reset
      • Simple
  • Bombeo 1 Hz square wave
  • Buses
    • Crossover (invert bit order)
      • Wires (2/4/8/16/32)
    • Expandir expand a bus with 0s
      • 1 → 2/4/8/16/32
      • 2 → 4/8/16/32
      • 4 → 8/16/32
      • 8 → 16/32
      • 16 → 32
    • Reduce keep only the LSBs
      • 32 → 2/4/8/16
      • 16 → 2/4/8
      • 9 → 8
      • 8 → 2/4
      • 4 → 2
      • 2 → 1
    • Reduce sequencial send by parts
      • 32 → 8/16
      • 16 → 8
    • Seleccionar take a slice of a bus (conf. start)
      • 2 from 4
      • 2/4 from 8
      • 2/4/8 from 16
      • 2/4/8/16 from 32
      • 1 from 2/4/8/16/32
    • Separar split a bus
      • 2 buses from 4/8/16/32
      • 4 buses from 8/16/32
      • Single bit from any bus upto 32 bits
      • 3 buses from 4(1+1+2)/8(2+2+4)/16(4+4+8)/32(8+8+16)
    • Unir join buses
      • 2 buses (2/4/8/16)
      • 4 buses (2/4/8)
      • Single bits to any bus upto 32 bits
      • 3 buses 4(1+1+2)/8(2+2+4)/10(1+8+1)/16(4+4+8)/32(8+8+16)
    • AND, NAND, OR, NOR, XOR, XNOR
      • 1 bus of 2/4/8/16/32 elements, 1 bit output
      • 2 buses of 2/4/8/16/32 elements, 1 bus output
    • AND, OR, XOR
      • 1 bit applied to the whole bus of 2/4/8/16/32 elements, 1 bus output
    • NOT
      • 1 bus of 2/4/8/16/32 elements, 1 bus output
  • Codificadores
    • Bus (32/16/8/4/2 inputs + group using buses)
    • Wires (32/16/8/4 inputs + group using individual signals)
  • Comunicación
    • TX RS-232 (115200 and configurable)
    • RX RS-232 (115200 and configurable)
    • RX PS/2
    • FT245 Sync FIFO (FT2232H high speed communication)
    • SPI Master (8 bits)
    • Support
      • Rising/falling edge detector
      • 1 and 2 flip-flops synchronizer
  • Contadores
    • Asc_Desc Up/Down counters
      • 32/16/8/4 bits (3 versions de c/u)
      • Natural BCD (3 versions)
    • Ascendente Up counters
      • 32/16/8/4 bits (3 versions de c/u)
      • Natural BCD (3 versions)
    • Prescaler Frequency dividers (square wave)
      • 2 versions upto 32 bits
  • Decodificadores
    • With enable (2/4/8 outputs)
    • Without enable (2/4/8 outputs)
  • Debug
    • Analizador lógico de 8/16/32 canales a/sincrónico
  • Demultiplexers
    • With enable (2/4/8 outputs)
  • Memoria
    • FIFO 8 bits (8/16/32/64/128/256/512 bytes)
    • Asynchronous FIFO 8 bits (8/16/32/64/128/256/512 bytes)
    • ROM 8 bits (8/16/32/64/128/256/512 bytes)
    • ROM 4 bits (8/16/32/64/128/256/512/1024 words)
    • ROM 16 bits (8/16/32/64/128/256 words)
  • Multiplexores Multiplexers
    • 2 channels (1/2/4/8/16/32)
    • 4 channels (1/2/4/8/16/32)
    • 8 channels (1/2/4/8/16/32)
  • PWM
    • De 4/8/16 bits de resolución
  • Pulso
    • One pulse from N frequency dividers, including 1 and 2 Hz and configurable versions
    • One pulse every N ms
  • Registros
    • PIPO (1/2/4/8/16/32)
    • PIPO Simple (1/2/4/8/16/32)
    • Universal Complete (2/3/4/8/9/10/16/32)
    • Universal Simple (3/4/8/16/32)
    • Shift Right Complete (3/4/8/10/16/32)
    • Shift Right ENA+RST (2/3/4/8/9/16/32)
    • Shift Right Simple (3/4/8/16/32)
    • Shift Left Complete (3/4/8/16/32)
    • Shift Left ENA+RST (3/4/8/16/32)
    • Shift Left Simple (3/4/8/16/32)
  • Reset
    • Power on Reset
    • Power on Reset long

More than 650 blocks

Examples

• 1. Basic
  • 01. One LED
  • 02. Two LEDs
  • 03. Three LEDs
  • 04. One LED blink
  • 05. Two LEDs alternate blink
  • 06. CapSense and LEDs
  • 07. CapSense toggle and LEDs
  • 08. AND 1 to all
  • 09. OR 1 to all
  • 10. XOR 1 to all
• 2. Counter
  • 01. BCD Counter
  • 02. BCD Counter 2
  • 03. BCD Down Counter
  • 04. BCD Down Counter 2
  • 05. BCD Counter fast
• 3. Desplazamiento
  • 01. Desplazamiento Universal Completo
  • 02. Desplazamiento Universal Simple
  • 03. Desplazamiento Derecha Completo
  • 04. Desplazamiento Derecha ENA-RST
  • 05. Desplazamiento Derecha Simple
  • 06. Desplazamiento Izquierda Completo
  • 07. Desplazamiento Izquierda ENA-RST
  • 08. Desplazamiento Izquierda Simple
• 4. Combinacional Misc
  • 01. Two LEDs alternate blink deco
  • 02. Four LEDs sequence demux
  • 03. Two LEDs alternate blink deco
  • 04. Four LEDs sequence deco
  • 05. Two LEDs alternate blink deco no ena
  • 06. Four LEDs sequence deco no ena
  • 07. Codificador 4 a 2
• 5. Aritmetica
  • 01. Comparar >,=,<
  • 02. Comparar >=,!=,<=
  • 03. Sumador
  • 04. Sumador Simple
  • 05. Complemento a 1
  • 06. Incrementador
  • 07. Complemento a 2
  • 08. Restador
  • 09. Restador simple
  • 10. Sumador didactico
  • 11. Comparar >,=,< didáctico
• 6. Comunicación
  • 01. Transmisión Serie
  • 02. Recepción Serie
  • 03. Recepción PS2
  • 04. Teclado PS2
  • 05. Teclado PS2 y LEDs
  • 06. Teclado PS2 y LEDs 2
  • 07. Teclado PS2 y LEDs 3
  • 08. Transmisión Serie 32 bits
  • 09. FT245 Sync FIFO contador
• 7. Memoria
  • 01. FIFO 16x8 contador
  • 02. FIFO Async 16x8 contador
  • 03. Memoria 16x4
  • 04. Marcha Imperial
• 8. Debug
  • 01. Analizador 8 canales contador FT245 Sync
  • 02. Analizador 16 canales contador FT245 Sync
  • 03. Analizador 32 canales contador FT245 Sync
  • 04. Analizador 8 canales contador FT245 Async
  • 05. Analizador 16 canales contador FT245 Async
  • 06. Analizador 32 canales contador FT245 Async
• 9. Analógico
  • 01. ADC y LEDs
  • 02. PWM y LEDs
  • 03. PWM y LEDs bidireccional
  • 04. ADC, PWM y LEDs

More than 65 examples

Authors

• Salvador Eduardo Tropea
• Jesús Arroyo Torrens
• Juan González
• Carlos Diaz
• José Picó

License

Licensed under GPL-2.0.