79e99bf474
schematics: Mark as NC all BGA pins which are NC in 12F FPGA chip.
...
So those pins can be recognized in PCB as having no net name.
Those pins may have use on other chips 25F, 45F or 85F but we
won't used those pins because the buard is designed to for
work for all.
6 years ago
d0e01b6022
schematics: C60 (B0 debouncer) smaller capacitor 2.2uF->220nF, note PWRBTn to PROGRAMN
6 years ago
8ef7e6ed88
schematics v2.0.6: debouncing capacitor for B0
6 years ago
e454a2dab2
schematics update
6 years ago
141dee5d80
schematics v2.0.3: Diode D28 for BTN0 to PROGRAMN wiring
6 years ago
029339ae94
schematics C56=C57=3.3pF
6 years ago
4f3da8f86c
schematics: Rename references BTNx -> Bx
6 years ago
fb387cd68b
schematics v1.9.4: correct PN Y2 quartz 32768Hz/6pF and matching
...
load capacitance of 6pF with C56=C57=10pF for RTC MCP7904
6 years ago
4ca1f2e611
schematics: LowCost field for the parts
6 years ago
979e0b8480
schematics: Update PN for 22uF and 0ohm PN currently available from Mouser
6 years ago
199df0e91a
schematics v1.9.1: U11 (i2c) VCC1=2.5V EN=3.3V for low power sleep
6 years ago
72e6166682
schematics: symbols with descriptions for BOM
6 years ago
0949296218
schematics: J3 rotated for GND at pin 1
6 years ago
58094ecaeb
schematics: updating *.bak files
6 years ago
49b3c44d0f
schematics: v1.8.9
6 years ago
b92dc5b639
schematics: specified BLUE LED PN bin code with lowest Vf (2.8-3.0V)
6 years ago
3d6aac6f9c
schematics v1.8.7: reconnecting SD card for 180 deg rotation
6 years ago
460f380bea
schematics: clean up Mouser PN
6 years ago
449eea2cd8
schematics v1.8.6: fixing RTC time loss issue with RC network
6 years ago
23bf92b5b8
schematics: DIP switch pulled up by 2.5/3.3V line, not fixed 3.3V
6 years ago
e4a849ca4d
schematics: manufacturer for jumpers (0-ohm resistors)
6 years ago
b4b030c263
schematics: alternate GPDI1 distributor part number
6 years ago
323c7d78b7
schematics: hopefully getting rid of all references to micro-gpdi-d
6 years ago
853497d403
schematics: replace 45F chip with 85F
6 years ago
b006a34b71
schematics: C54 22uF for 3V RTC battery
6 years ago
ebdf06256d
schematics: USB resistor do install
6 years ago
7b88b3baf1
schematics: v1.8 adding capacitor for 2.5/3.3V
6 years ago
1911c0afe2
schematics: add capacitor near SDRAM
6 years ago
54dcca20fa
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
6 years ago
ea96ac0d18
schematics: use non-handsoldering footprints for all 22nF and 100nF capacitors
6 years ago
2ed35bea1a
schematics: AC coupling all GPDI differential lines
6 years ago
4a9b8c372b
schematics: HEAC capacitors to protect return of 5V from monitor to FPGA
6 years ago
8ff6e0e20e
schematics update, setting L1,L2,L3 all the same PN
6 years ago
42e3255b7a
schematics: US2 diodes pull up/down 1.5k/15k
6 years ago
78edad49df
schematics: US2 lines for pull with 15k
6 years ago
2f3cc59274
schematics: adding mouser P/N
6 years ago
b205d52f4f
schematics: sprinkling 22nF decoupling capacitors under FPGA
6 years ago
a04b74cc61
schematics, footprints: micro usb cleanup
6 years ago
7caf7a4f5f
schematics: v1.7.9 SD card hopfully connected properly to ESP32 SD_MMC
6 years ago
fd6a0d3a2a
schematics: bump version to v1.7.8
6 years ago
11e38d2211
schematics: corrected SDRAM part number
7 years ago
b41c200d79
schematics: cosmetics, hidign some button datasheet URL for schematics
7 years ago
5384b84706
schematics: switching regulator alternatives
7 years ago
380fcdf86a
schematic: newly created SOT96-1 used for NXP RTC
7 years ago
52814d6ae0
WIFI LED (blue) on schematics
7 years ago
4a35c95132
GPDI CEC add protection resistor R61 470 ohm
7 years ago
a5a51a8f28
connected missing SD card pins to esp-32
7 years ago
154645af07
on schematics write revision 1.7.0 to match similar
...
writing on PCB v1.7
7 years ago
ba4c8e8d22
PCB v1.6 SDRAM fully reworked
7 years ago
bc4b88ee58
Micro SD: using SCHD3A0100
7 years ago
Emard