psram-tang-nano-9k
nano4k_hdmi_tx
| psram-tang-nano-9k | nano4k_hdmi_tx | |
|---|---|---|
| 7 | 3 | |
| 44 | 16 | |
| - | - | |
| 0.0 | 0.0 | |
| over 1 year ago | over 1 year ago | |
| Verilog | GLSL | |
| Apache License 2.0 | - |
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psram-tang-nano-9k
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Using the OSS PsramController with both dies
See my reply here: https://github.com/zf3/psram-tang-nano-9k/issues/6
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Open HyperRAM interface for Nano 9K
I added a note about his to the controller's readme. "Quick discussion about going above 83Mhz".
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Gowin: PSRAM unusable on Tang Nano 9K: stuck in Wrapped Burst mode in read and write operations (HyperRAM on Tang Nano 4K works OK with Linear Bursts)
Another difference that I find in that W955D8MBYA data sheet compared to W955N8MBY, is that W955D8MBYA does not mention anywhere that differential signaling would be optional: but instead it marks it as required. If that is the case, then the question for Best Behavior(tm) of how to properly feed it LVDS does rise again. ( https://github.com/zf3/psram-tang-nano-9k/issues/1 )
- An open source PSRAM/HyperRAM controller for Tang Nano 9k
nano4k_hdmi_tx
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where are the LVDSs in tang nano 9K board?
This is how I declared some TLVDS for this HDMI transmitter I made a while back, hope it helps for reference, let me know if something looks off to you.
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I've been working on my own DVI TX implementation, just tried out an SRAM framebuffer and it works! 180x120, 64 color goodness
You can check out the project on Github here.
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Learning HDMI (via DVI-D) output on Gowin-4/Tang Nano 4K
The HDMI output is a good start, looks like we both settled on the signed coordinates idea, but I settled with the PAL bars and a bouncy box, the image you generated looks a lot more impressive than my bars!
What are some alternatives?
uhd - The USRP™ Hardware Driver Repository
openFPGALoader - Universal utility for programming FPGA
serv - SERV - The SErial RISC-V CPU
eda_tools - A Dockerfile with a collections of ready to use open source EDA tools: Yosys, SimbiYosys (with Z3, boolector and Yices2), nextpnr-ice40, netxpnr-ecp5, nextpnr-gowin, Amaranth HDL, Silice and Verilator.
psram-tang-nano-9k - An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA
PlatformIO - Your Gateway to Embedded Software Development Excellence :alien:
open-fpga-verilog-tutorial - Learn how to design digital systems and synthesize them into an FPGA using only opensource tools
HDMI_testikuva - Sipeed Tang Nano 4K FPGA implementation of the static tuning picture I watched on TV as a kid.
corundum - Open source FPGA-based NIC and platform for in-network compute
gowin_fpga_tutorials - Tutorials centred around Gowin FPGA parts for the /r/GowinFPGA subreddit
riscv - RISC-V CPU Core (RV32IM)
my_hdmi_device - New clean hdmi implementation for ulx3s, icestick, icoboard, arty7, colorlight i5 and blackicemx! With tmds encoding hacked down from dvi standard. Supports DDR and SRD tranfser!