davor
|
0990aa8ac2
|
schematics: fix shutdown and i2c pullup to 5V D11=LED R4,R25,R26=4.7k
|
7 years ago |
|
davor
|
58ad5b5718
|
schematics: return to 1k
|
7 years ago |
|
davor
|
6228263ac6
|
schematics: additional diode R23 to make shutdown more reliable
reduce hold resistor, use schottky for nSLEEP
|
7 years ago |
|
davor
|
52d3cced84
|
schematics: typo in RC shutdown text description
|
7 years ago |
|
davor
|
6df6c8429d
|
schematics: increased i2c pull up resistors 470->2.2k and readme update
|
7 years ago |
|
davor
|
5065b98876
|
schematics: change value LED resistors 330->470 ohm for power saving
|
7 years ago |
|
davor
|
afdfad2fa2
|
schematics: comments about switching regulators
|
7 years ago |
|
davor
|
3a87d41201
|
schematics: additional comments for wifi bootstrapping and readme update
|
7 years ago |
|
davor
|
b41c200d79
|
schematics: cosmetics, hidign some button datasheet URL for schematics
|
7 years ago |
|
Emard
|
537e2229b6
|
schematics: swap U2,U9
|
7 years ago |
|
Emard
|
5f15062265
|
schematics: comments on switcher parts corrected
|
7 years ago |
|
Emard
|
95cb151b39
|
schematic power sheet: alternatives to AP3429/A, swap U4,U5
|
7 years ago |
|
Emard
|
5384b84706
|
schematics: switching regulator alternatives
|
7 years ago |
|
Emard
|
6cc027aed0
|
schematics: update inductor PN, swap L2 <-> L3
|
7 years ago |
|
Emard
|
ce6120680b
|
schematics: I2C SM8 footprint assigned
|
7 years ago |
|
Emard
|
380fcdf86a
|
schematic: newly created SOT96-1 used for NXP RTC
|
7 years ago |
|
Emard
|
e641702054
|
schematics: start with tape and reel datasheet information
(currently done only for RTC)
|
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
|
7 years ago |
|
Emard
|
52814d6ae0
|
WIFI LED (blue) on schematics
|
7 years ago |
|
Emard
|
4a35c95132
|
GPDI CEC add protection resistor R61 470 ohm
|
7 years ago |
|
Emard
|
a5a51a8f28
|
connected missing SD card pins to esp-32
|
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
|
7 years ago |
|
Emard
|
154645af07
|
on schematics write revision 1.7.0 to match similar
writing on PCB v1.7
|
7 years ago |
|
davor
|
7cebd0afa5
|
changing DAC resistors 100-820 ohm -> 150-1200 ohm
few 220 ohm resistors changed to 150 ohm to simplify BOM
|
7 years ago |
|
davor
|
8e94190676
|
power up note and small cosmetics
|
7 years ago |
|
davor
|
050a70079a
|
move one audio-v pin from bank0 to bank7 so
now all audio jack pins are on bank7
|
7 years ago |
|
davor
|
6d74bb29fc
|
PCB v1.7 fix wrong audio jack connection
|
7 years ago |
|
Emard
|
ba4c8e8d22
|
PCB v1.6 SDRAM fully reworked
|
7 years ago |
|
davor
|
bc41b3052d
|
move WIFI disable jumper closer to BTN1
|
7 years ago |
|
davor
|
220f575442
|
schematic "power" sheet and footprint cosmetics
|
7 years ago |
|
davor
|
1ea88bda53
|
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 |
|
Emard
|
d57b16519c
|
update (I hope) all chip units to 85F
add more GND vias
|
7 years ago |
|
davor
|
fffde2cf88
|
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
|
35598e53fb
|
FT231X workaround blues
|
7 years ago |
|
Emard
|
06a8d751d9
|
Jumpers (default OFF) for 3 switcher voltages
|
7 years ago |
|
davor
|
bc4b88ee58
|
Micro SD: using SCHD3A0100
|
7 years ago |
|
davor
|
f3d84dbfdc
|
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
|
68a23c127c
|
set package SOD323 to all small diodes
|
7 years ago |
|
davor
|
aef23559d2
|
3D models for capacitors inductors transistors and some resistors
|
7 years ago |
|
davor
|
f32ace3adf
|
D15 schottky diode BAT54W package SOD323F
|
7 years ago |
|
Emard
|
bcf94bafab
|
buttons footprints correct now
|
7 years ago |
|
davor
|
2ca8acc32d
|
ADC chip moved on top layer.
Connecting 8 analog lines to J2
and remaining VCC/GND
|
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
|
278ac6b341
|
2.2uF for ESP-32 and gerber 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 |
