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
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
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
davor
1e5e0b01a6
connecting JTAG lines to FTDI serial lines RI DCD CTS DSR
...
as those pins are by default inputs and can be reconfigured as outputs
similar but not identical pinout as the one that works from ujprog
CBUS used to force-wakeup of the board from sleep state
2 LEDs to CBUS pins to display usb enumeration and activity status
8 years ago
Davor
39dce76f0a
use new schem symbol
8 years ago
davor
70fb21781b
reorder GPDI differential pairs for almost straitforward routing
8 years ago
davor
0af487f23c
renaming clocks
8 years ago
davor
9570c1137b
small edits
8 years ago
davor
c297a5294f
adding 25 MHz oscillator and moving some parts around
8 years ago
Davor
12e89e677a
connecting wifi, usbserial, oled, sd card
8 years ago
Davor
a477fbd050
connecting flash config chip
8 years ago
davor
85cb0b3f93
Placing 40-pin connectors side-by-side,
...
changing ft2232 to ft231x
8 years ago
davor
a7de1a4e58
power button
8 years ago
davor
4f3fabdb5f
oled updated on the schematic and PCB
8 years ago
davor
6639abded3
add 4 mounting holes
8 years ago
davor
b661cacede
Change to 2x20 pin headers, PCB layout currently sub-optimal
8 years ago
davor
f9ba6fa20b
chage ESP8266-12E to ESP32S
...
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
8 years ago
davor
a0dae5bb6a
another diode to duscharge C14 at shutdown
8 years ago
Davor
cf01d5cc8d
Power: Replace discharge resistor which leaks with
...
a diode for discharge C at shutdown
HDMI pin 0 is now the shield and connected to GND
8 years ago
davor
23c4cde741
GPDI I2C 5V level shifter
8 years ago
davor
7fd0f561fc
Add SPI flash chip
8 years ago
davor
aa8fac622b
SD card to sperate "sdcard" sheet
...
small rearranging and comments
8 years ago
davor
4b5faa4f58
eeprom for FT2232
8 years ago
Davor
ddd08e597e
JTAG port to USB sheet
8 years ago
Davor
6729ad635e
updating transistors pin order
8 years ago
Davor
c17b4cfa73
connecting FT2232 with JTAG
8 years ago
Davor
728e442b49
crystal footprint rename Ceramic->plastic, label nets
8 years ago
Davor
64741b460a
add footprint for crystal 32768 Hz
8 years ago
Davor
fb365395f2
rename I2C_* signals
8 years ago
Davor
17ba085b6f
audio jack to "analog" sheet
8 years ago
Davor
c1205abfb4
Add 3V battery CR1225 holder footprint
8 years ago
Davor
4a87d52a9d
allow FTDI to force power up of the board
8 years ago
Davor
8ed3d57c66
Add wake on RTC and shutdown network
8 years ago
Davor
133417070a
add RTC to power sheet
...
Moving wifi to separate sheet
8 years ago
Davor
24e8015ff0
move usb to "usbserial" sheet and add ft2232 footprint
...
move sdram to "ram" sheet
create "wifi" sheet
8 years ago
Davor
473b5ff1aa
smaller size capacitors 22uF 2112->0805
8 years ago
Davor
c95d2d7b18
GPDI to separate sheet
8 years ago
Davor
cac9a7d973
2.5V to VCCAUX
8 years ago
Davor
e6e569601c
rearrange power switching block and LEDs 0-7 -> 7-0
8 years ago
Davor
e9c1620c89
Moving LEDs, OLED and buttons to "blinkey" sheet
8 years ago
Davor
400ad8ac44
add push buttons
8 years ago
Davor
7d049c2ed4
beutifying DC-DC converter network
8 years ago
Davor
59dde3ae13
add DC-DC converter to power sheet
8 years ago
Davor
905351cdae
Power sheet added
...
OLED header added
Moving components and adjusting
8 years ago