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PCB for ULX3S FPGA R&D board. Fork Sand fork of https://github.com/emard/ulx3s https://www.forksand.com/
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pins VREF named on schematic symbol of fpga 		8 years ago
doc oled pinput 8 years ago
footprints pins VREF named on schematic symbol of fpga 8 years ago
pic using connectors 2x32 for general purpose and 2x15 for 2 PMODs 8 years ago
plot gerber update 8 years ago
README.md readme update 8 years ago
analog.bak oled updated on the schematic and PCB 8 years ago
analog.sch oled updated on the schematic and PCB 8 years ago
blinkey.bak rename gpio pins same as BGA pin e.g. A9, C11, ... 8 years ago
blinkey.sch oled updated on the schematic and PCB 8 years ago
flash.bak oled updated on the schematic and PCB 8 years ago
flash.sch oled updated on the schematic and PCB 8 years ago
fp-lib-table place oled symbol on pcb 8 years ago
gpdi.bak oled updated on the schematic and PCB 8 years ago
gpdi.sch oled updated on the schematic and PCB 8 years ago
gpio.bak pins VREF named on schematic symbol of fpga 8 years ago
gpio.sch place renumbered schematic units of the fpga chip 8 years ago
power.bak oled updated on the schematic and PCB 8 years ago
power.sch oled updated on the schematic and PCB 8 years ago
ram.bak oled updated on the schematic and PCB 8 years ago
ram.sch oled updated on the schematic and PCB 8 years ago
sdcard.bak oled updated on the schematic and PCB 8 years ago
sdcard.sch oled updated on the schematic and PCB 8 years ago
ulx3s-cache.lib pins VREF named on schematic symbol of fpga 8 years ago
ulx3s-rescue.lib updating pins for BANK1 (still incomplete) 8 years ago
ulx3s.bak oled updated on the schematic and PCB 8 years ago
ulx3s.kicad_pcb place renumbered schematic units of the fpga chip 8 years ago
ulx3s.kicad_pcb-bak place renumbered schematic units of the fpga chip 8 years ago
ulx3s.net place renumbered schematic units of the fpga chip 8 years ago
ulx3s.pro oled updated on the schematic and PCB 8 years ago
ulx3s.sch oled updated on the schematic and PCB 8 years ago
usb.bak oled updated on the schematic and PCB 8 years ago
usb.sch oled updated on the schematic and PCB 8 years ago
wifi.bak oled updated on the schematic and PCB 8 years ago
wifi.sch oled updated on the schematic and PCB 8 years ago

README.md

ULX3S PCB

This is work-in-progress place for putting some wishes of a small FPGA board.

Instead of describing in written, it is better explained when drawn in kicad:

kicad ulx3s.pro

Currently this is only partial schematics and partial floorplanning. PCB is not routed. Some footprintes are collected and some are incomplete.

An overview if the parts will fit in the space how it will look.

From production of this, we are far, far away :)

Features

3.5 mm jack footprint

Switching voltage regulators

USB footprints without thru-holes

SPI OLED placeholder (thru hole probably)

FTDI 2232 usb-jtag chip

SPI flash chip

SDRAM chip

LEDs: 8 blinkleds, 1 usb led

RTC clock, quartz and battery

3.3V-5V I2C bidirectional level shifter for GPDI

GPDI is General Purpose Differential Interface, Electrically LVDS, mostly TMDS tolerant female receptacle more-or-less compatible with digital monitors/TVs

Todo

Completing FPGA IO bank shcematics blocks

Check SD card slot footprint

Oscillators (25/50/100 MHz)

rearrange PushButtons: 6 (2+4)

         U
A B    L D R

IR camera placeholder

OV767 color camera placeholder

2.54 mm external JTAG header