DBLCD32 - LCD/TFT Display Controller
Block Diagram
Overview
The DCD’s DBLCD32 core is a fully configurable, universal LCD/TFT display controller. It supports a wide range of resolution and enables both, horizontal and vertical synchronization parameters setup. The display’s pixel clock can be generated by an internal pixel clock divider based on the bus clock, or delivered to the core by a dedicated pin. Additionally there is a possibility of using an externally generated pixel clock. Polarization of the generated pixel clock, as well as synchronization signals, is configurable. The DBLCD32 has a DMA capable master interface, which can be used to access a framebuffer placed directly in a system memory. Embedded DMA controller has configurable FIFO to store pixels data, which increases system throughput and performance. Transmission on the master interface is burst oriented and there is a possibility of defining the burst size limit. Data fetched by the DMA interface can be translated to 24-bits RGB signals, depending on the selected color mode.
Features
- 24-bit RGB interface; Configurable display resolution; Configurable horizontal sync length and blanking
- Configurable vertical sync length and blanking; Configurable RGB signals polarization; Configurable pixel clock polarization
- Internal pixel clock divider; Different pixel clock modes; DMA capable interface; Configurable DMA FIFO; Configurable burst size limit
- AHB bus interface(32-bit); 24-bit True Color mode support; 16-bit (5-6-5) High Color mode support; 8-bit Indexed Color mode support
- 32-bit True Color mode support (one byte ignored); Pixel palette RAM; Page flipping support; Programmable interrupts; Big and little - endian support
IP Quality Metrics
| Basic | |
|---|---|
| Year IP was first released | 2010 |
| Latest version of Quartus supported | 15.1 |
| Altera Customer Use | |
| IP has been successfully implemented in production with at least one customer | Y |
| Deliverables | |
Customer deliverables include the following:
|
Y |
| Any additional customer deliverables provided with IP | TBD |
| Parameterization GUI allowing end user to configure IP | Y |
| IP core is enabled for OpenCore Plus Support | Y |
| Source language | Verilog; VHDL |
| Testbench language | Verilog; VHDL |
| Software drivers provided | Y |
| Driver OS support | TBD |
| Implementation | |
| User Interface | AXI; Avalon-MM |
| IP-XACT Metadata included | N |
| Verification | |
| Simulators supported | ModelSim |
| Hardware validated | Y. Altera Board Name DE1, DE2 |
| Industry standard compliance testing performed | N |
| If No, is it planned? | Y |
| Interoperability | |
| IP has undergone interoperability testing | Y |
| Interoperability reports available | N |
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