b7500cc477
increasing thickness of power traces, moving clock
...
to a bank which is always at 3.3V
8 years ago
2a60828a99
schem. pullup 1.5k for USB 1.1 full speed mode
8 years ago
23b588ff16
Routing... 4 routes remaining
8 years ago
0f9d00f602
Buffer capacitor for SDRAM
8 years ago
28c4106026
J2 GPIO: routed in the purple plane only
8 years ago
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
5432fd6540
connecting clock and ftdi USB
8 years ago
dcc2d375ea
routing additional pins to J2 GPIO. 2 differential pairs left to route
8 years ago
9f0d9c46a7
routing half of J2 gpio
8 years ago
e30bbeea40
routing 4 GPIO on J2
8 years ago
19b884baef
using corrected schem symbol, reordering pins
8 years ago
39dce76f0a
use new schem symbol
8 years ago
70fb21781b
reorder GPDI differential pairs for almost straitforward routing
8 years ago
aef3945a8e
differential pin naming for GPDI, USB, GPIO
8 years ago
1c5b8a64a3
use new footprint for crystal oscillator
8 years ago
0af487f23c
renaming clocks
8 years ago
c297a5294f
adding 25 MHz oscillator and moving some parts around
8 years ago
12e89e677a
connecting wifi, usbserial, oled, sd card
8 years ago
a477fbd050
connecting flash config chip
8 years ago
85cb0b3f93
Placing 40-pin connectors side-by-side,
...
changing ft2232 to ft231x
8 years ago
a7de1a4e58
power button
8 years ago
4f3fabdb5f
oled updated on the schematic and PCB
8 years ago
6639abded3
add 4 mounting holes
8 years ago
b661cacede
Change to 2x20 pin headers, PCB layout currently sub-optimal
8 years ago
f9ba6fa20b
chage ESP8266-12E to ESP32S
...
approximate (maybe incorrect) connections - need review
(programming esp from fpga, jtag, sd, chip enable)
8 years ago
a0dae5bb6a
another diode to duscharge C14 at shutdown
8 years ago
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
23c4cde741
GPDI I2C 5V level shifter
8 years ago
7fd0f561fc
Add SPI flash chip
8 years ago
b6697c4012
Audio 3.5mm jack resistor network
8 years ago
aa8fac622b
SD card to sperate "sdcard" sheet
...
small rearranging and comments
8 years ago
4b5faa4f58
eeprom for FT2232
8 years ago
ddd08e597e
JTAG port to USB sheet
8 years ago
17ba085b6f
audio jack to "analog" sheet
8 years ago
c1205abfb4
Add 3V battery CR1225 holder footprint
8 years ago
4a87d52a9d
allow FTDI to force power up of the board
8 years ago
8ed3d57c66
Add wake on RTC and shutdown network
8 years ago
133417070a
add RTC to power sheet
...
Moving wifi to separate sheet
8 years ago
24e8015ff0
move usb to "usbserial" sheet and add ft2232 footprint
...
move sdram to "ram" sheet
create "wifi" sheet
8 years ago
c95d2d7b18
GPDI to separate sheet
8 years ago
davor