davor
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853497d403
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schematics: replace 45F chip with 85F
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8 years ago |
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davor
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c51909d497
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schematics: capacitors from new library (non-handsoldering)
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8 years ago |
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davor
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b006a34b71
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schematics: C54 22uF for 3V RTC battery
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8 years ago |
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davor
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3996e140ef
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schematics: kicad 5 load and save
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8 years ago |
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davor
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7b88b3baf1
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schematics: v1.8 adding capacitor for 2.5/3.3V
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8 years ago |
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davor
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1911c0afe2
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schematics: add capacitor near SDRAM
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8 years ago |
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davor
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db50639a60
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schematics: 4 22nF capacitors for 2.5/3.3V and 3.3V near J1 and J2 connector
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8 years ago |
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davor
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ec8c012ebb
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schematics: jumper for selectable 2.5V/3.3V J1 voltage
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8 years ago |
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davor
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ea96ac0d18
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schematics: use non-handsoldering footprints for all 22nF and 100nF capacitors
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8 years ago |
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davor
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4ae602347e
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schematics: power decoupling capactor near OLED
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8 years ago |
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davor
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42e3255b7a
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schematics: US2 diodes pull up/down 1.5k/15k
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8 years ago |
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davor
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d95e2eab3d
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schematics: 3 decoupling 22nF capacitors for SDRAM
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8 years ago |
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davor
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2f3cc59274
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schematics: adding mouser P/N
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8 years ago |
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davor
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b205d52f4f
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schematics: sprinkling 22nF decoupling capacitors under FPGA
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8 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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8 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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8 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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8 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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8 years ago |
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davor
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987aefa1fd
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schematics: routing FPGA to SPI QUAD.
BTN_R,U connected to BANK2,3 on "ram" sheet
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8 years ago |
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davor
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e81d05b68d
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schematics: renaming pins J..+- to GP,GN..
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8 years ago |
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davor
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91dc09995c
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schematics: SDRAM manufacturer url and PN
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8 years ago |
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davor
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11e38d2211
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schematics: corrected SDRAM part number
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8 years ago |
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davor
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f5de9a85ed
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schematics: connecting SHUTDOWN to FPGA
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8 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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8 years ago |
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Emard
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537e2229b6
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schematics: swap U2,U9
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8 years ago |
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Emard
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3915779e0c
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schematics: part numbers and URLs of datasheets and manufacturers
of most chips and connectors. Small parts not done yet.
|
8 years ago |
|
Emard
|
52814d6ae0
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WIFI LED (blue) on schematics
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8 years ago |
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Emard
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a5a51a8f28
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connected missing SD card pins to esp-32
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8 years ago |
|
Emard
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cca17d282d
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open-close to check that everything loads fine
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8 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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8 years ago |
|
Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
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8 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".
|
8 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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8 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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8 years ago |
|
Emard
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07de158d38
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R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
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8 years ago |
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davor
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bc4b88ee58
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Micro SD: using SCHD3A0100
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8 years ago |
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davor
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10df092413
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using modified ECP5 footprint
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8 years ago |
|
Emard
|
bab7ee607e
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placeholder for 1.5k pullup for usb 1.0
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8 years ago |
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davor
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f120d212d9
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433 MHz onboard antenna (need to uncover copper infill layers)
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8 years ago |
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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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8 years ago |
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davor
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5f589c33f4
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USB directly to FPGA for possible USB1.1 core
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8 years ago |
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davor
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6d14ed8ff0
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Placing DIP switch, but not yet connecting it to FPGA
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8 years ago |
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davor
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37bb008e24
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ADC connecting REF+/REF- and SPI
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8 years ago |
|
davor
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2153a220a0
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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
|
be09416928
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Add 27 ohm resistors in series with FTDI USB and readme update
|
9 years ago |
|
davor
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278ac6b341
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2.2uF for ESP-32 and gerber update
|
9 years ago |
|
Emard
|
ee7d266543
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Resistors for LEDs
|
9 years ago |
|
Emard
|
18aef04f2c
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JTAG header
|
9 years ago |
|
davor
|
dcbf46dff2
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optimizing PCB
|
9 years ago |
|
davor
|
b7500cc477
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increasing thickness of power traces, moving clock
to a bank which is always at 3.3V
|
9 years ago |
