davor
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853497d403
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schematics: replace 45F chip with 85F
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7 years ago |
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davor
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82a9589724
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schematics: using generic DCDC converter symbol
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7 years ago |
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davor
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3996e140ef
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schematics: kicad 5 load and save
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7 years ago |
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davor
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ec8c012ebb
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schematics: jumper for selectable 2.5V/3.3V J1 voltage
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7 years ago |
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davor
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a04b74cc61
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schematics, footprints: micro usb cleanup
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7 years ago |
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davor
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6079a51257
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schematics: symbol for SDRAM copied from rescue to proper library
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7 years ago |
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davor
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c1053dd7bd
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schematics: cleanup of MFG_PN to simplify BOM
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7 years ago |
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davor
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6b50f65544
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footprints: FPGA renaming Quad SPI lines D2,D3
schematics: reference FPGA footprint directly (not from rescue file)
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7 years ago |
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davor
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f4d7692c91
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schematics: SD card symbol with 2 CD pins connected to GND
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7 years ago |
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Emard
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020d7bdfa7
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schematics: change core voltage 1.2V->1.1V (RB1 changed 15k->18k)
FPGA Chip in ULX3S is LFE5U-45F-6BG381C and it needs 1.1V.
5G chips like LFE5U5G-45F-6BG381C would need 1.2V
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7 years ago |
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Emard
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cca17d282d
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open-close to check that everything loads fine
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7 years ago |
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Emard
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35b3a8b3dd
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changing to 45F which is production device now
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
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7 years ago |
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Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
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7 years ago |
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davor
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220f575442
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schematic "power" sheet and footprint cosmetics
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7 years ago |
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davor
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1ea88bda53
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Adding pins to schematic symbols for all chips in unit "H" (SERDES)
Non-serdes chips need GND connection on unit "H".
"power" sheet now connects GND's at unit "H".
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7 years ago |
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Emard
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d57b16519c
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update (I hope) all chip units to 85F
add more GND vias
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7 years ago |
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davor
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fffde2cf88
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Additional GND for 85F chips
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7 years ago |
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davor
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e4fc99887e
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moving GND and VCC on schematics symbols to
common locations for planned PCB which
supports upgrade path for example
12F->25F->45F->85F and if possible ECP5U->ECP5UM
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7 years ago |
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Emard
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06a8d751d9
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Jumpers (default OFF) for 3 switcher voltages
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7 years ago |
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davor
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10df092413
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using modified ECP5 footprint
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7 years ago |
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davor
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eaf4c2402a
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Fab layer, moving values to avoid overlap writings
GPDI footprint edited to remove some unneeded lines
Gerbers update
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7 years ago |
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davor
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f120d212d9
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433 MHz onboard antenna (need to uncover copper infill layers)
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7 years ago |
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davor
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0229a768ad
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FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
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7 years ago |
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davor
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fdf38ad9a1
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DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
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7 years ago |
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davor
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ee20b46f6d
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connecting ADC substrate pad to GND
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8 years ago |
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davor
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2153a220a0
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schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
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8 years ago |
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Emard
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18aef04f2c
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JTAG header
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8 years ago |
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davor
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9d6f8bf493
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improving SD card power supply and replacing with
suitable schematic symbol for micro SD card (was normal SD card)
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8 years ago |
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Davor
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19b884baef
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using corrected schem symbol, reordering pins
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8 years ago |
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Davor
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39dce76f0a
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use new schem symbol
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8 years ago |
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davor
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70fb21781b
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reorder GPDI differential pairs for almost straitforward routing
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8 years ago |
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davor
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a8f1214b27
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reorder SDRAM to FPGA connection for straightforward routing
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8 years ago |
|
Davor
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632e5bd443
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importing netlist with differential pairs named + -
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8 years ago |
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Davor
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ec42a18d26
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reordering RAM connections to use peripheral pins near SDRAM chip
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8 years ago |
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davor
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9570c1137b
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small edits
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8 years ago |
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davor
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c297a5294f
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adding 25 MHz oscillator and moving some parts around
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8 years ago |
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Davor
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a477fbd050
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connecting flash config chip
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8 years ago |
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davor
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dc1ae11172
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partially routed board using "freeroute" autorouter
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8 years ago |
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davor
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85cb0b3f93
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Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
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8 years ago |
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davor
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5d5a4031cc
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pins VREF named on schematic symbol of fpga
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8 years ago |
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davor
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a60712b2f6
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place renumbered schematic units of the fpga chip
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8 years ago |
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davor
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e2899667ef
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place all available banks to gpio page
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8 years ago |
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davor
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4f3fabdb5f
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oled updated on the schematic and PCB
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8 years ago |
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davor
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6639abded3
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add 4 mounting holes
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8 years ago |
|
davor
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b661cacede
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Change to 2x20 pin headers, PCB layout currently sub-optimal
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8 years ago |
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davor
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f9ba6fa20b
|
chage ESP8266-12E to ESP32S
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
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8 years ago |
|
Davor
|
cf01d5cc8d
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Power: Replace discharge resistor which leaks with
a diode for discharge C at shutdown
HDMI pin 0 is now the shield and connected to GND
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8 years ago |
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davor
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5d4ce79295
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connecting BANK2 to PMOD connectors
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8 years ago |
|
davor
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23c4cde741
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GPDI I2C 5V level shifter
|
8 years ago |
|
davor
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7fd0f561fc
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Add SPI flash chip
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8 years ago |
