davor
|
3fa407e54f
|
schematics: use 12-bit dac instead of 8-bit
|
7 years ago |
|
davor
|
08e107ae65
|
schematics: detach SD card connection from ESP32, it won't
boot when this is connected.
|
7 years ago |
|
davor
|
f4d7692c91
|
schematics: SD card symbol with 2 CD pins connected to GND
|
7 years ago |
|
davor
|
9692fea61d
|
cosmetix: LED D22 moved a bit left to be symmetrical
|
7 years ago |
|
Emard
|
a135164670
|
increase schematic version to 1.7.1
|
7 years ago |
|
Emard
|
cca17d282d
|
open-close to check that everything loads fine
|
7 years ago |
|
Emard
|
35b3a8b3dd
|
changing to 45F which is production device now
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
|
7 years ago |
|
davor
|
0d71e508ae
|
analog: audio ring2 resistor DAC network connected to FPGA
copper infill is getting thin, so minimal-thickness traces
are used 0.127 mm
|
7 years ago |
|
davor
|
6d74bb29fc
|
PCB v1.7 fix wrong audio jack connection
|
7 years ago |
|
davor
|
1ffed1dea1
|
comment at "usb" sheet about reasons for the JTAG pinout
different than ULX2s
|
7 years ago |
|
Emard
|
ba4c8e8d22
|
PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
|
10df092413
|
using modified ECP5 footprint
|
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
|
2153a220a0
|
schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
|
7 years ago |
|
Emard
|
475be947ba
|
updating schematics PDF
|
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
|
1f60f95a71
|
compatible OLED models: SSD1306 or SSD1331
|
8 years ago |
|
davor
|
85cb0b3f93
|
Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
|
8 years ago |
|
davor
|
4f3fabdb5f
|
oled updated on the schematic and PCB
|
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
|
24e8015ff0
|
move usb to "usbserial" sheet and add ft2232 footprint
move sdram to "ram" sheet
create "wifi" sheet
|
8 years ago |
|
Davor
|
59dde3ae13
|
add DC-DC converter to power sheet
|
8 years ago |
|
Davor
|
25672b71ff
|
updating pins for BANK1 (still incomplete)
|
8 years ago |
|
Davor
|
c52fe53c1e
|
Departing from RPI-0 size to a 56x106 mm board
|
8 years ago |
|
davor
|
3f8b5009a9
|
Uploading initial kicad project for ULX3S
|
9 years ago |
