686 serie_serie_register

686 : serie_serie_register

  • Author: C.A. Velázquez-Morales
  • Description: Registro Serie-Serie, con 4 registros y corrimiento hacia la izquierda o derecha
  • GitHub repository
  • GDS submitted
  • HDL project
  • Extra docs
  • Clock: 10000000 Hz

How it works

Se describe un registro Serie-Serie, con una terminal de entrada (data_in), terminales de control de reloj, reset negado y habilitación (clk, rst, ena). Se asigna una terminal para cambiar el tipo de corrimiento del registro (leri): ALTO para la izquierda y BAJO para la derecha. Se designa una salida del dato en el registro (data_out).

How to test

Se coloca Rst en un valor BAJO, y el Ena en un valor ALTO. El flanco del reloj clk irá actualizando el valor de 4 registros internos que realizarán el corrimiento (data_reg) con el valor del dato de entrada (data_in). Del mismo modo, la entrada de dirección (leri) asignará la dirección del corrimiento y el bit del registro interno que se mostrará en la salida (data_out).

Banco de Prueba para Simulación en Active-HDL:

Captura de pantalla 2024-04-02 162549

Imagen Simulación:

Captura de pantalla 2024-04-02 162240

El diagrama que se presenta a continuación ilustra el RTL del circuito generado por Quartus II, se observa las entradas rst, clk y ena como las entradas básicas del circuito. Además se observa la entrada data_in como la entrada del dato, así como la entrada leri, que indica si el corrimiento del registro se realizará hacia la derecha (right) o hacia la izquierda (left). Del mismo modo se observa que el bit de entrada leri selecciona el bit que se considerará como el bit de salida data_out.

RTL

La conexión se propone como la siguiente imagen

Imagen_Diagrama

External hardware

Se puede utilizar un generador de señales para el reloj (clk) y una base de tiempo para la habilitación (ena), así como botones o interruptores para las entradas y un led para visualizar la salida.

IO

# Input Output Bidirectional
0 data_in Data_Out No_Used
1 clk No_Used No_Used
2 rst No_Used No_Used
3 ena No_Used No_Used
4 leri No_Used No_Used
5 No_Used No_Used No_Used
6 No_Used No_Used No_Used
7 No_Used No_Used No_Used

Chip location

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