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Documentation

Display Interface Module

Block Diagram

Solution Type: IP Core, Qsys Component

End Market: Automotive, Broadcast, Consumer, Industrial, Medical, Military, Test & Measurement

Evaluation Method: OpenCore

Technology: Processors and Peripherals: Peripherals

Arria Series: Intel® Arria® 10, Arria® V, Intel® Arria® 10 SoC, Arria® V SoC

Cyclone Series: Cyclone® IV, Cyclone® V, Cyclone® V SoC

MAX Series: Intel® MAX® 10

Stratix Series: Stratix® IV, Stratix® V

Overview

The Display Interface module is a core module that provides the interface directly to an LCD module, or through and external triple DAC or HDMI transmitter, directly to any standard video display. Small and efficient and simple to use interfaces and driver model make it easier than ever to get output from your FPGA to the screen.

Features

Multi Frame Buffer Support and Multi Overlay Buffer support with HW Transparency/Mixing
HW Cursor support
Configurable HW Block Transfer and Selectable Interrupts on FS/HS
Rich customizable drivers for customizable Fonts, Font Draw and Printf() Directly to Overlay/Background
Configurable Frame Timing and sizes

Device Utilization and Performance

~3k LEs~22 MK9 Memory Blocks (dependent on line prefetch buffer size)~15 mults (Can use logic for these if needed)

Getting Started

The core design can be integrated and tested using the following steps:1. Create buffers/RAMs in the target device family for the line buffers and add them to the generic memory vhd file. Same for the cursor cache if needed. 2. Instantiate the core into the FPGA design connecting to specific Platform Designer(formerly Qsys) Avalon interfaces depending on functions needed and to the video interface/display bus. 3. If needed adjust output video HW bus to your display's needs. The output from the core can easily manipulated into various interface standards by the end developer. Custom interfaces can be developed by Tectonics. Please email engineering@logic-tectonics.com with questions.3. Set the generics on the core file according to functions needed/used.4. import the graphics library files into the nios SW project5. Initialize a frame buffer using the library6. Initialize a font and then use printf() function to print to the frame buffer7. Add other calls from the library as needed.

IP Quality Metrics

Basic
Year IP was first released	2015
Latest version of Quartus supported	15.1
Altera Customer Use
IP has been successfully implemented in production with at least one customer	N
Deliverables
Customer deliverables include the following: Design file (encrypted source code or post-synthesis netlist) Simulation model for ModelSim Altera edition Timing and/or layout constraints Testbench or design example Documentation with revision control Readme file	Y
Parameterization GUI allowing end user to configure IP	N
IP core is enabled for OpenCore Plus Support	N
Source language	VHDL
Testbench language	VHDL
Software drivers provided	Y
Driver OS support	flexible
Implementation
User Interface	Avalon-MM
IP-XACT Metadata included	N
Verification
Simulators supported	Aldec, Modelsim, other
Hardware validated	Y. Altera Board Name Terasic DE-115
Industry standard compliance testing performed	N
If No, is it planned?	N
Interoperability
IP has undergone interoperability testing	N
Interoperability reports available	N

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