79e99bf474
schematics: Mark as NC all BGA pins which are NC in 12F FPGA chip.
...
So those pins can be recognized in PCB as having no net name.
Those pins may have use on other chips 25F, 45F or 85F but we
won't used those pins because the buard is designed to for
work for all.
6 years ago
3e832aa000
schematics: instead of 0-ohm resistors, use normally closed PCB solder jumper
6 years ago
6d44289060
schematics: 3 power schottky diodes replaced with 0-ohm jumpers
7 years ago
111c56bbb6
schematics: USB footprints reduced pad size for improved centering
7 years ago
49b3c44d0f
schematics: v1.8.9
7 years ago
2988e8661f
schematics: Replace 3 power schottky diodes with 0-ohm resistors
7 years ago
b92dc5b639
schematics: specified BLUE LED PN bin code with lowest Vf (2.8-3.0V)
7 years ago
15e0e4bcad
schematics: drill holes Note: Leave empty
7 years ago
f6f6872d93
schematics: for "Do not install" parts, have MFG_PN so the part number
...
won't appear in 1-click-bom
7 years ago
a1c2e8228f
schematics: changing old rescue symbols with new from kicad 5 library
7 years ago
bd6c927106
schematics: antenna as test point
7 years ago
323c7d78b7
schematics: hopefully getting rid of all references to micro-gpdi-d
7 years ago
853497d403
schematics: replace 45F chip with 85F
7 years ago
b006a34b71
schematics: C54 22uF for 3V RTC battery
7 years ago
1911c0afe2
schematics: add capacitor near SDRAM
7 years ago
db50639a60
schematics: 4 22nF capacitors for 2.5/3.3V and 3.3V near J1 and J2 connector
7 years ago
44a754e8bc
schematics: towards separating bank0/7 voltage
7 years ago
54dcca20fa
schematics: usb pull pins moved from gpio to gpdi bank
...
gpio is planned to become be voltage changeable 2.5/3.3V
while pulls should go to 3.3V
7 years ago
2ed35bea1a
schematics: AC coupling all GPDI differential lines
7 years ago
4a9b8c372b
schematics: HEAC capacitors to protect return of 5V from monitor to FPGA
7 years ago
8ff6e0e20e
schematics update, setting L1,L2,L3 all the same PN
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
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
c1053dd7bd
schematics: cleanup of MFG_PN to simplify BOM
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
987aefa1fd
schematics: routing FPGA to SPI QUAD.
...
BTN_R,U connected to BANK2,3 on "ram" sheet
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
b41c200d79
schematics: cosmetics, hidign some button datasheet URL for schematics
7 years ago
c87e9f6c4c
schematics: renumbering dipswitch pins to match writing on the
...
part, pins 1-4 from left to right
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
24632c01ac
schematics: SD card slot part name
7 years ago
2b2420fe37
schematics: text labels that enumerate differential pairs on 2.54mm connector
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
050a70079a
move one audio-v pin from bank0 to bank7 so
...
now all audio jack pins are on bank7
7 years ago
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
ba4c8e8d22
PCB v1.6 SDRAM fully reworked
7 years ago
bc4b88ee58
Micro SD: using SCHD3A0100
7 years ago
f3d84dbfdc
LED D19 was oriented wrong, now correct
7 years ago
bab7ee607e
placeholder for 1.5k pullup for usb 1.0
7 years ago
9cc436ce8c
Additional VCC 2.2uF blocking capacitors near the switching
...
power supply to form PI-filter with another 2.2uF near BGA
7 years ago
0229a768ad
FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
7 years ago
Emard