The lpm_shiftreg Megafunction User Guide provides two design examples to implement a configurable 8-bit serial in parallel out (SIPO) or parallel in serial out (PISO) shift register and time delay functionality. Both the design examples use the MegaWizard® Plug-In Manager available in the Quartus® II software. The steps to generate the megafunctions using the MegaWizard are described in detail in the User Guide.
Design Example 1: Configurable 8-Bit SIPO or PISO Shift Register
This design example illustrates the use of lpm_shiftreg megafunction to implement a configurable 8-bit serial in parallel out or parallel in serial out shift register. In this example, you do the following.
- Create an 8-bit shift register using the
lpm_shiftregmegafunction and the MegaWizard Plug-in Manager - Implement the design and assign the EP1S10F780C6 device to the project
- Compile and simulate the design
The following design files are used in this example:
The use of this design is governed by, and subject to, the terms and conditions of the Altera Hardware Reference Design License Agreement.
Design Example 2: Time delay
This design example uses the lpm_shiftreg megafunction to implement time delay functionality. In this example, you do the following:
- Create a time delay using the
lpm_shiftregmegafunction and the MegaWizard Plug-in Manager - Implement the design and assign the EP1S10B672C6 device to the project
- Compile and simulate the design
The following design files are used in this example:
The use of this design is governed by, and subject to, the terms and conditions of the Altera Hardware Reference Design License Agreement.
Design Examples Disclaimer
These design examples may only be used within Altera Corporation devices and remain the property of Altera. They are being provided on an “as-is” basis and as an accommodation; therefore, all warranties, representations, or guarantees of any kind (whether express, implied, or statutory) including, without limitation, warranties of merchantability, non-infringement, or fitness for a particular purpose, are specifically disclaimed. Altera expressly does not recommend, suggest, or require that these examples be used in combination with any other product not provided by Altera.
