00386d3bf8
schematics: better textual description of USB pull up/down
...
for host and device modes
7 years ago
ebdf06256d
schematics: USB resistor do install
7 years ago
7b88b3baf1
schematics: v1.8 adding capacitor for 2.5/3.3V
7 years ago
db50639a60
schematics: 4 22nF capacitors for 2.5/3.3V and 3.3V near J1 and J2 connector
7 years ago
ec8c012ebb
schematics: jumper for selectable 2.5V/3.3V J1 voltage
7 years ago
caf02320ee
schematics: reconnecting 3.6V Zener from usb to fpga side
7 years ago
4ae602347e
schematics: power decoupling capactor near OLED
7 years ago
42e3255b7a
schematics: US2 diodes pull up/down 1.5k/15k
7 years ago
78edad49df
schematics: US2 lines for pull with 15k
7 years ago
b535b7ccee
schematics: references for buttons on previous PCB v1.7
7 years ago
2f3cc59274
schematics: adding mouser P/N
7 years ago
b205d52f4f
schematics: sprinkling 22nF decoupling capacitors under FPGA
7 years ago
a04b74cc61
schematics, footprints: micro usb cleanup
7 years ago
6079a51257
schematics: symbol for SDRAM copied from rescue to proper library
7 years ago
33440ee3fa
schematics, readme: swap SD_CLK and SD_D2 pins,
...
now SD_CLK is connected to clock capable FPGA pin
7 years ago
b99ce33251
schematics and PCB: swap WIFI GPIO5 GPIO17
7 years ago
965d04d7d5
schematics: WIFI LED on GPIO5, route WIFI_GPIO5 and WIFI_GPIO17 to FPGA
7 years ago
c1053dd7bd
schematics: cleanup of MFG_PN to simplify BOM
7 years ago
3a565010f3
schematics: WIFI_GPIO5 connected to previous WIFI_GPIO15 on "usb" sheet
7 years ago
7caf7a4f5f
schematics: v1.7.9 SD card hopfully connected properly to ESP32 SD_MMC
7 years ago
804ac1c309
schematics: Add some PN's for the BOM
7 years ago
6b50f65544
footprints: FPGA renaming Quad SPI lines D2,D3
...
schematics: reference FPGA footprint directly (not from rescue file)
7 years ago
e81d05b68d
schematics: renaming pins J..+- to GP,GN..
7 years ago
e91a42eb58
schematics: connecting usbserial chip directly to usb 5V,
...
in order that rest of board circuitry can be powered independently
from usbserial chip.
7 years ago
6228263ac6
schematics: additional diode R23 to make shutdown more reliable
...
reduce hold resistor, use schottky for nSLEEP
7 years ago
f4d7692c91
schematics: SD card symbol with 2 CD pins connected to GND
7 years ago
aeb14da29b
schematics: using SOA008 and adding datasheet url to FTDI usbserial
7 years ago
3915779e0c
schematics: part numbers and URLs of datasheets and manufacturers
...
of most chips and connectors. Small parts not done yet.
7 years ago
3336b63a5b
small schematics notes about WiFi
7 years ago
52814d6ae0
WIFI LED (blue) on schematics
7 years ago
4a35c95132
GPDI CEC add protection resistor R61 470 ohm
7 years ago
a5a51a8f28
connected missing SD card pins to esp-32
7 years ago
cca17d282d
open-close to check that everything loads fine
7 years ago
35b3a8b3dd
changing to 45F which is production device now
...
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
7 years ago
1ffed1dea1
comment at "usb" sheet about reasons for the JTAG pinout
...
different than ULX2s
7 years ago
ba4c8e8d22
PCB v1.6 SDRAM fully reworked
7 years ago
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
d57b16519c
update (I hope) all chip units to 85F
...
add more GND vias
7 years ago
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
07de158d38
R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
8 years ago
1cdad1e4d0
all diodes SOD-323 and SOD-323F packages changed to handsoldering
...
(bigger pads, more reworkable)
silkscreen moving references GPDI1 and SW1 for readability
8 years ago
10df092413
using modified ECP5 footprint
8 years ago
bab7ee607e
placeholder for 1.5k pullup for usb 1.0
8 years ago
91ac1cc478
D8,D9,D51,D52: SMA package 2A low drop low profile
8 years ago
68a23c127c
set package SOD323 to all small diodes
8 years ago
f120d212d9
433 MHz onboard antenna (need to uncover copper infill layers)
8 years ago
9f6eae914c
connecting almost all free pins from ESP32 to FPGA
...
(only 4 left unconnected)
8 years ago
d462ffc350
Connecting more ESP32 WIFI pins,
...
sharing them with external 2.54 mm header
to access ADC and HSPI
8 years ago
0229a768ad
FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
8 years ago
fdf38ad9a1
DIP switch moved to the right, near RAM.
...
Maybe should be moved more to the right not to overlap with OLED
8 years ago
5f589c33f4
USB directly to FPGA for possible USB1.1 core
8 years ago
6d14ed8ff0
Placing DIP switch, but not yet connecting it to FPGA
8 years ago
2153a220a0
schematic symbol for ADC MAX11123
...
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
8 years ago
be09416928
Add 27 ohm resistors in series with FTDI USB and readme update
8 years ago
ee7d266543
Resistors for LEDs
8 years ago
18aef04f2c
JTAG header
8 years ago
238ad770ce
moving USB LEDs on TOP layer
8 years ago
b7500cc477
increasing thickness of power traces, moving clock
...
to a bank which is always at 3.3V
8 years ago
2a60828a99
schem. pullup 1.5k for USB 1.1 full speed mode
8 years ago
1a122bfc67
fully routed
8 years ago
dbf4b92a22
audio DAC routed
8 years ago
23b588ff16
Routing... 4 routes remaining
8 years ago
0f9d00f602
Buffer capacitor for SDRAM
8 years ago
108abc3158
connecting 3.3V and 1.2V
8 years ago
9d6f8bf493
improving SD card power supply and replacing with
...
suitable schematic symbol for micro SD card (was normal SD card)
8 years ago
5590ba802d
optimizing routing for SD and FTDI
8 years ago
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
5e953da6b9
connecting required pins for WiFi programming
8 years ago
4c13f262e8
connecting FTDI TXD/RXD
8 years ago
364957f9e0
connecting OLED
8 years ago
19b884baef
using corrected schem symbol, reordering pins
8 years ago
39dce76f0a
use new schem symbol
8 years ago
70fb21781b
reorder GPDI differential pairs for almost straitforward routing
8 years ago
aef3945a8e
differential pin naming for GPDI, USB, GPIO
8 years ago
c297a5294f
adding 25 MHz oscillator and moving some parts around
8 years ago
12e89e677a
connecting wifi, usbserial, oled, sd card
8 years ago
a477fbd050
connecting flash config chip
8 years ago
85cb0b3f93
Placing 40-pin connectors side-by-side,
...
changing ft2232 to ft231x
8 years ago
a7de1a4e58
power button
8 years ago
4f3fabdb5f
oled updated on the schematic and PCB
8 years ago
6639abded3
add 4 mounting holes
8 years ago
b661cacede
Change to 2x20 pin headers, PCB layout currently sub-optimal
8 years ago
f9ba6fa20b
chage ESP8266-12E to ESP32S
...
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
8 years ago
a0dae5bb6a
another diode to duscharge C14 at shutdown
8 years ago
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
23c4cde741
GPDI I2C 5V level shifter
8 years ago
7fd0f561fc
Add SPI flash chip
8 years ago
aa8fac622b
SD card to sperate "sdcard" sheet
...
small rearranging and comments
8 years ago
4b5faa4f58
eeprom for FT2232
8 years ago
ddd08e597e
JTAG port to USB sheet
8 years ago
c17b4cfa73
connecting FT2232 with JTAG
8 years ago
17ba085b6f
audio jack to "analog" sheet
8 years ago
3068b9a777
update correct USB footprint as the part ordered
8 years ago
c1205abfb4
Add 3V battery CR1225 holder footprint
8 years ago
4a87d52a9d
allow FTDI to force power up of the board
8 years ago
8ed3d57c66
Add wake on RTC and shutdown network
8 years ago
133417070a
add RTC to power sheet
...
Moving wifi to separate sheet
8 years ago
e0bdf34cfe
ft2232 corrected package qfn-64 -> qfn-56
8 years ago
24e8015ff0
move usb to "usbserial" sheet and add ft2232 footprint
...
move sdram to "ram" sheet
create "wifi" sheet
8 years ago
davor