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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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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7 years ago |
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davor
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44a754e8bc
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schematics: towards separating bank0/7 voltage
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7 years ago |
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davor
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54dcca20fa
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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
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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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davor
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78edad49df
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schematics: US2 lines for pull with 15k
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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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c1053dd7bd
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schematics: cleanup of MFG_PN to simplify BOM
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7 years ago |
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davor
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804ac1c309
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schematics: Add some PN's for the BOM
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7 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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7 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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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 |
|
davor
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b41c200d79
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schematics: cosmetics, hidign some button datasheet URL for schematics
|
7 years ago |
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davor
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c87e9f6c4c
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schematics: renumbering dipswitch pins to match writing on the
part, pins 1-4 from left to right
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7 years ago |
|
Emard
|
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
|
24632c01ac
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schematics: SD card slot part name
|
7 years ago |
|
Emard
|
2b2420fe37
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schematics: text labels that enumerate differential pairs on 2.54mm connector
|
7 years ago |
|
Emard
|
52814d6ae0
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WIFI LED (blue) on schematics
|
7 years ago |
|
Emard
|
4a35c95132
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GPDI CEC add protection resistor R61 470 ohm
|
7 years ago |
|
Emard
|
a5a51a8f28
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connected missing SD card pins to esp-32
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7 years ago |
|
Emard
|
cca17d282d
|
open-close to check that everything loads fine
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7 years ago |
|
Emard
|
35b3a8b3dd
|
changing to 45F which is production device now
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
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7 years ago |
|
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
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7 years ago |
|
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
|
7 years ago |
|
Emard
|
ba4c8e8d22
|
PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
|
bc4b88ee58
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Micro SD: using SCHD3A0100
|
7 years ago |
|
davor
|
f3d84dbfdc
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LED D19 was oriented wrong, now correct
|
7 years ago |
|
Emard
|
bab7ee607e
|
placeholder for 1.5k pullup for usb 1.0
|
7 years ago |
|
Emard
|
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 |
|
davor
|
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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fdf38ad9a1
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DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
|
7 years ago |
|
davor
|
5f589c33f4
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USB directly to FPGA for possible USB1.1 core
|
7 years ago |
|
davor
|
236f63488a
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DIP SWITCH routed
|
7 years ago |
|
davor
|
32836831ae
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i2c of RTC connected to GPDI i2c
|
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 |
|
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 |
|
Emard
|
18aef04f2c
|
JTAG header
|
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
|
1a122bfc67
|
fully routed
|
8 years ago |
|
davor
|
dbf4b92a22
|
audio DAC routed
|
8 years ago |
|
davor
|
23b588ff16
|
Routing... 4 routes remaining
|
8 years ago |
|
Emard
|
28c4106026
|
J2 GPIO: routed in the purple plane only
|
8 years ago |
|
Emard
|
4c13f262e8
|
connecting FTDI TXD/RXD
|
8 years ago |
