davor
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3fa407e54f
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schematics: use 12-bit dac instead of 8-bit
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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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58ad5b5718
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schematics: return to 1k
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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 |
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davor
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6df6c8429d
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schematics: increased i2c pull up resistors 470->2.2k and readme update
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7 years ago |
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davor
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5065b98876
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schematics: change value LED resistors 330->470 ohm for power saving
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7 years ago |
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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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b41c200d79
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schematics: cosmetics, hidign some button datasheet URL for schematics
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7 years ago |
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Emard
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537e2229b6
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schematics: swap U2,U9
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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 |
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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 |
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Emard
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5384b84706
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schematics: switching regulator alternatives
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7 years ago |
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Emard
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6cc027aed0
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schematics: update inductor PN, swap L2 <-> L3
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7 years ago |
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Emard
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ce6120680b
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schematics: I2C SM8 footprint assigned
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7 years ago |
|
Emard
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380fcdf86a
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schematic: newly created SOT96-1 used for NXP RTC
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7 years ago |
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Emard
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e641702054
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schematics: start with tape and reel datasheet information
(currently done only for RTC)
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7 years ago |
|
Emard
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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
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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
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52814d6ae0
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WIFI LED (blue) on schematics
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7 years ago |
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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 |
|
Emard
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a5a51a8f28
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connected missing SD card pins to esp-32
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7 years ago |
|
Emard
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cca17d282d
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open-close to check that everything loads fine
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7 years ago |
|
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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7 years ago |
|
Emard
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154645af07
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on schematics write revision 1.7.0 to match similar
writing on PCB v1.7
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7 years ago |
|
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
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7 years ago |
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davor
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8e94190676
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power up note and small cosmetics
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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 |
|
davor
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6d74bb29fc
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PCB v1.7 fix wrong audio jack connection
|
7 years ago |
|
Emard
|
ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
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7 years ago |
|
davor
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bc41b3052d
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move WIFI disable jumper closer to BTN1
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7 years ago |
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davor
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220f575442
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schematic "power" sheet and footprint cosmetics
|
7 years ago |
|
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 |
|
Emard
|
d57b16519c
|
update (I hope) all chip units to 85F
add more GND vias
|
7 years ago |
|
davor
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fffde2cf88
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Additional GND for 85F chips
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7 years ago |
|
davor
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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
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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
|
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 |
|
davor
|
278ac6b341
|
2.2uF for ESP-32 and gerber update
|
8 years ago |
