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
|
06a8d751d9
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Jumpers (default OFF) for 3 switcher voltages
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7 years ago |
|
davor
|
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
|
433 MHz onboard antenna (need to uncover copper infill layers)
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7 years ago |
|
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 |
|
davor
|
fdf38ad9a1
|
DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
|
7 years ago |
|
davor
|
ee20b46f6d
|
connecting ADC substrate pad to GND
|
8 years ago |
|
davor
|
2153a220a0
|
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 |
|
Emard
|
18aef04f2c
|
JTAG header
|
8 years ago |
|
davor
|
9d6f8bf493
|
improving SD card power supply and replacing with
suitable schematic symbol for micro SD card (was normal SD card)
|
8 years ago |
|
Davor
|
19b884baef
|
using corrected schem symbol, reordering pins
|
8 years ago |
|
Davor
|
39dce76f0a
|
use new schem symbol
|
8 years ago |
|
davor
|
70fb21781b
|
reorder GPDI differential pairs for almost straitforward routing
|
8 years ago |
|
davor
|
a8f1214b27
|
reorder SDRAM to FPGA connection for straightforward routing
|
8 years ago |
|
Davor
|
632e5bd443
|
importing netlist with differential pairs named + -
|
8 years ago |
|
Davor
|
ec42a18d26
|
reordering RAM connections to use peripheral pins near SDRAM chip
|
8 years ago |
|
davor
|
9570c1137b
|
small edits
|
8 years ago |
|
davor
|
c297a5294f
|
adding 25 MHz oscillator and moving some parts around
|
8 years ago |
|
Davor
|
a477fbd050
|
connecting flash config chip
|
8 years ago |
|
davor
|
dc1ae11172
|
partially routed board using "freeroute" autorouter
|
8 years ago |
|
davor
|
85cb0b3f93
|
Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
|
8 years ago |
|
davor
|
5d5a4031cc
|
pins VREF named on schematic symbol of fpga
|
8 years ago |
|
davor
|
a60712b2f6
|
place renumbered schematic units of the fpga chip
|
8 years ago |
|
davor
|
e2899667ef
|
place all available banks to gpio page
|
8 years ago |
|
davor
|
4f3fabdb5f
|
oled updated on the schematic and PCB
|
8 years ago |
|
davor
|
6639abded3
|
add 4 mounting holes
|
8 years ago |
|
davor
|
b661cacede
|
Change to 2x20 pin headers, PCB layout currently sub-optimal
|
8 years ago |
|
davor
|
f9ba6fa20b
|
chage ESP8266-12E to ESP32S
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
|
8 years ago |
|
Davor
|
cf01d5cc8d
|
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
|
8 years ago |
|
davor
|
5d4ce79295
|
connecting BANK2 to PMOD connectors
|
8 years ago |
|
davor
|
23c4cde741
|
GPDI I2C 5V level shifter
|
8 years ago |
|
davor
|
7fd0f561fc
|
Add SPI flash chip
|
8 years ago |
|
davor
|
4b5faa4f58
|
eeprom for FT2232
|
8 years ago |
|
Davor
|
6729ad635e
|
updating transistors pin order
|
8 years ago |
|
Davor
|
c17b4cfa73
|
connecting FT2232 with JTAG
|
8 years ago |
