davor
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b006a34b71
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schematics: C54 22uF for 3V RTC battery
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7 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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7 years ago |
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davor
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9d1c3c6a2c
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schematics: v1.7.16
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7 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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7 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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7 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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7 years ago |
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davor
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2ed35bea1a
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schematics: AC coupling all GPDI differential lines
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7 years ago |
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davor
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4a9b8c372b
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schematics: HEAC capacitors to protect return of 5V from monitor to FPGA
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7 years ago |
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davor
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8ff6e0e20e
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schematics update, setting L1,L2,L3 all the same PN
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7 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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7 years ago |
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Emard
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16fedcac96
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schematics: additional 2 lines for US2 (GP,GN 22,25 moved)
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7 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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7 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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7 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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7 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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7 years ago |
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davor
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965d04d7d5
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schematics: WIFI LED on GPIO5, route WIFI_GPIO5 and WIFI_GPIO17 to FPGA
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7 years ago |
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davor
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7caf7a4f5f
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schematics: v1.7.9 SD card hopfully connected properly to ESP32 SD_MMC
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7 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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7 years ago |
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davor
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e91a42eb58
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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 |
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davor
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5b7c755ee1
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schematics: flip audio 0-3
|
7 years ago |
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davor
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b41c200d79
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schematics: cosmetics, hidign some button datasheet URL for schematics
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7 years ago |
|
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.
|
7 years ago |
|
Emard
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52814d6ae0
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WIFI LED (blue) on schematics
|
7 years ago |
|
Emard
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4a35c95132
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GPDI CEC add protection resistor R61 470 ohm
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7 years ago |
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davor
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7cebd0afa5
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changing DAC resistors 100-820 ohm -> 150-1200 ohm
few 220 ohm resistors changed to 150 ohm to simplify BOM
|
7 years ago |
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davor
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8e94190676
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power up note and small cosmetics
|
7 years ago |
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davor
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050a70079a
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move one audio-v pin from bank0 to bank7 so
now all audio jack pins are on bank7
|
7 years ago |
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davor
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0d71e508ae
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analog: audio ring2 resistor DAC network connected to FPGA
copper infill is getting thin, so minimal-thickness traces
are used 0.127 mm
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7 years ago |
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davor
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f843d3169a
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gpdi sheet, i2c voltage shifter, VREF filtering with C18 100nF->470nF
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7 years ago |
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davor
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6d74bb29fc
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PCB v1.7 fix wrong audio jack connection
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7 years ago |
|
Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
|
7 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".
|
7 years ago |
|
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
|
7 years ago |
|
davor
|
1cdad1e4d0
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all diodes SOD-323 and SOD-323F packages changed to handsoldering
(bigger pads, more reworkable)
silkscreen moving references GPDI1 and SW1 for readability
|
7 years ago |
|
davor
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bc4b88ee58
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Micro SD: using SCHD3A0100
|
7 years ago |
|
davor
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f3d84dbfdc
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LED D19 was oriented wrong, now correct
|
7 years ago |
|
Emard
|
f8b5dc97eb
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update SD card power supply and gerbers
|
7 years ago |
|
Emard
|
bab7ee607e
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placeholder for 1.5k pullup for usb 1.0
|
7 years ago |
|
Emard
|
9cc436ce8c
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Additional VCC 2.2uF blocking capacitors near the switching
power supply to form PI-filter with another 2.2uF near BGA
|
7 years ago |
|
davor
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f120d212d9
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433 MHz onboard antenna (need to uncover copper infill layers)
|
7 years ago |
|
davor
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0229a768ad
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FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
|
7 years ago |
|
davor
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236f63488a
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DIP SWITCH routed
|
8 years ago |
|
davor
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37bb008e24
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ADC connecting REF+/REF- and SPI
|
8 years ago |
|
davor
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2ca8acc32d
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ADC chip moved on top layer.
Connecting 8 analog lines to J2
and remaining VCC/GND
|
8 years ago |
|
davor
|
32836831ae
|
i2c of RTC connected to GPDI i2c
|
8 years ago |
|
davor
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ee20b46f6d
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connecting ADC substrate pad to GND
|
8 years ago |
|
davor
|
2153a220a0
|
schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
|
8 years ago |
|
Emard
|
be09416928
|
Add 27 ohm resistors in series with FTDI USB and readme update
|
8 years ago |
|
davor
|
81b3ea5da0
|
adding minimal set of 3 2.2uF capacitor for 1.2V, 2.5V and 3.3V
|
8 years ago |
|
Emard
|
ee7d266543
|
Resistors for LEDs
|
8 years ago |
