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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0990aa8ac2
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schematics: fix shutdown and i2c pullup to 5V D11=LED R4,R25,R26=4.7k
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7 years ago |
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davor
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6228263ac6
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schematics: additional diode R23 to make shutdown more reliable
reduce hold resistor, use schottky for nSLEEP
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7 years ago |
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davor
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52d3cced84
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schematics: typo in RC shutdown text description
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7 years ago |
|
davor
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9ab20cb840
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specific comments about RC shutdown constant on "power" sheet
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7 years ago |
|
davor
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766f96a80a
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schematics: comments about i2c sharing
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7 years ago |
|
davor
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afdfad2fa2
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schematics: comments about switching regulators
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7 years ago |
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davor
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3a87d41201
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schematics: additional comments for wifi bootstrapping and readme update
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7 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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7 years ago |
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Emard
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5f15062265
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schematics: comments on switcher parts corrected
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7 years ago |
|
Emard
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95cb151b39
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schematic power sheet: alternatives to AP3429/A, swap U4,U5
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7 years ago |
|
Emard
|
5384b84706
|
schematics: switching regulator alternatives
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7 years ago |
|
Emard
|
6cc027aed0
|
schematics: update inductor PN, swap L2 <-> L3
|
7 years ago |
|
Emard
|
380fcdf86a
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schematic: newly created SOT96-1 used for NXP RTC
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7 years ago |
|
Emard
|
e641702054
|
schematics: start with tape and reel datasheet information
(currently done only for RTC)
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7 years ago |
|
Emard
|
3915779e0c
|
schematics: part numbers and URLs of datasheets and manufacturers
of most chips and connectors. Small parts not done yet.
|
7 years ago |
|
Emard
|
020d7bdfa7
|
schematics: change core voltage 1.2V->1.1V (RB1 changed 15k->18k)
FPGA Chip in ULX3S is LFE5U-45F-6BG381C and it needs 1.1V.
5G chips like LFE5U5G-45F-6BG381C would need 1.2V
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7 years ago |
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Emard
|
a5a51a8f28
|
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
|
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 |
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davor
|
7cebd0afa5
|
changing DAC resistors 100-820 ohm -> 150-1200 ohm
few 220 ohm resistors changed to 150 ohm to simplify BOM
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7 years ago |
|
davor
|
8e94190676
|
power up note and small cosmetics
|
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
|
7 years ago |
|
davor
|
6d74bb29fc
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PCB v1.7 fix wrong audio jack connection
|
7 years ago |
|
Emard
|
ba4c8e8d22
|
PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
|
220f575442
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schematic "power" sheet and footprint cosmetics
|
7 years ago |
|
davor
|
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
|
fffde2cf88
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Additional GND for 85F chips
|
7 years ago |
|
davor
|
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 |
|
Emard
|
07de158d38
|
R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
|
7 years ago |
|
Emard
|
06a8d751d9
|
Jumpers (default OFF) for 3 switcher voltages
|
7 years ago |
|
davor
|
1cdad1e4d0
|
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
|
10df092413
|
using modified ECP5 footprint
|
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
|
68a23c127c
|
set package SOD323 to all small diodes
|
7 years ago |
|
davor
|
f32ace3adf
|
D15 schottky diode BAT54W package SOD323F
|
7 years ago |
|
Emard
|
bcf94bafab
|
buttons footprints correct now
|
7 years ago |
|
davor
|
32836831ae
|
i2c of RTC connected to GPDI i2c
|
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 |
|
Emard
|
238ad770ce
|
moving USB LEDs on TOP layer
|
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
|
2a60828a99
|
schem. pullup 1.5k for USB 1.1 full speed mode
|
8 years ago |
|
davor
|
1a122bfc67
|
fully routed
|
8 years ago |
|
davor
|
23b588ff16
|
Routing... 4 routes remaining
|
8 years ago |
|
davor
|
0f9d00f602
|
Buffer capacitor for SDRAM
|
8 years ago |
|
Emard
|
108abc3158
|
connecting 3.3V and 1.2V
|
8 years ago |
|
davor
|
dcbfda0556
|
Run DRC to update cupper fill zones
|
8 years ago |
