Zero-Delay FPGA Image Viewer : microSD Card to TFT-LCD (Cyclone 10)

2026-08-30

Zero-Delay FPGA Image Viewer : microSD Card to TFT-LCD (Cyclone 10)

Channel: laothailee (10 subscribers)

This project is a great example of building a complete data pipeline entirely in hardware — no soft-core CPU, no microcontroller assist, just an Intel Cyclone 10 FPGA reading raw sectors off a microSD card and streaming pixels to a TFT-LCD panel in real time.

What makes it educational is the breadth of subsystems it forces you to touch. To pull this off you need an SPI (or SD-mode) controller that handles the SD card initialization handshake, a FAT filesystem parser implemented in Verilog/VHDL state machines (or a clever bypass that reads raw sectors), a frame buffer or streaming decoder for the image data, and a TFT-LCD timing generator producing correct HSYNC/VSYNC or the parallel RGB interface the panel expects. Coordinating all of that with zero-delay — meaning the pixel clock never stalls waiting on SD reads — requires careful FIFO sizing and clock domain crossing between the SD interface clock and the display pixel clock.

For anyone learning FPGA design past the blinky-LED stage, seeing a hobbyist tackle these classic embedded-systems problems purely in RTL is a fantastic reference point. The Cyclone 10 is also an accessible, affordable target board.

Why watch: A pure-RTL image pipeline from SD card to LCD demonstrates real-world FPGA skills — clock domain crossing, storage protocols, and display timing — all in one project.

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