Emard
4a35c95132
GPDI CEC add protection resistor R61 470 ohm
7 years ago
Emard
a5a51a8f28
connected missing SD card pins to esp-32
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
f843d3169a
gpdi sheet, i2c voltage shifter, VREF filtering with C18 100nF->470nF
7 years ago
Emard
ba4c8e8d22
PCB v1.6 SDRAM fully reworked
7 years ago
Emard
eca6978391
HDMI fixed wrong wiring PCB v1.5
...
and improving copper fill areas
7 years ago
davor
220f575442
schematic "power" sheet and footprint cosmetics
7 years ago
davor
1ea88bda53
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".
7 years ago
Emard
d57b16519c
update (I hope) all chip units to 85F
...
add more GND vias
7 years ago
davor
e4fc99887e
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
7 years ago
Emard
07de158d38
R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
7 years ago
davor
10df092413
using modified ECP5 footprint
7 years ago
davor
eaf4c2402a
Fab layer, moving values to avoid overlap writings
...
GPDI footprint edited to remove some unneeded lines
Gerbers update
7 years ago
davor
6d14ed8ff0
Placing DIP switch, but not yet connecting it to FPGA
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
be09416928
Add 27 ohm resistors in series with FTDI USB and readme update
8 years ago
Emard
ee7d266543
Resistors for LEDs
8 years ago
davor
b7500cc477
increasing thickness of power traces, moving clock
...
to a bank which is always at 3.3V
8 years ago
davor
2a60828a99
schem. pullup 1.5k for USB 1.1 full speed mode
8 years ago
davor
23b588ff16
Routing... 4 routes remaining
8 years ago
davor
0f9d00f602
Buffer capacitor for SDRAM
8 years ago
Emard
28c4106026
J2 GPIO: routed in the purple plane only
8 years ago
davor
1e5e0b01a6
connecting JTAG lines to FTDI serial lines RI DCD CTS DSR
...
as those pins are by default inputs and can be reconfigured as outputs
similar but not identical pinout as the one that works from ujprog
CBUS used to force-wakeup of the board from sleep state
2 LEDs to CBUS pins to display usb enumeration and activity status
8 years ago
Emard
5432fd6540
connecting clock and ftdi USB
8 years ago
davor
dcc2d375ea
routing additional pins to J2 GPIO. 2 differential pairs left to route
8 years ago
davor
9f0d9c46a7
routing half of J2 gpio
8 years ago
Emard
e30bbeea40
routing 4 GPIO on J2
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
aef3945a8e
differential pin naming for GPDI, USB, GPIO
8 years ago
davor
1c5b8a64a3
use new footprint for crystal oscillator
8 years ago
davor
0af487f23c
renaming clocks
8 years ago
davor
c297a5294f
adding 25 MHz oscillator and moving some parts around
8 years ago
Davor
12e89e677a
connecting wifi, usbserial, oled, sd card
8 years ago
Davor
a477fbd050
connecting flash config chip
8 years ago
davor
85cb0b3f93
Placing 40-pin connectors side-by-side,
...
changing ft2232 to ft231x
8 years ago
davor
a7de1a4e58
power button
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
a0dae5bb6a
another diode to duscharge C14 at shutdown
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
23c4cde741
GPDI I2C 5V level shifter
8 years ago
davor
7fd0f561fc
Add SPI flash chip
8 years ago
davor
b6697c4012
Audio 3.5mm jack resistor network
8 years ago
davor
aa8fac622b
SD card to sperate "sdcard" sheet
...
small rearranging and comments
8 years ago
davor
4b5faa4f58
eeprom for FT2232
8 years ago