eca6978391
HDMI fixed wrong wiring PCB v1.5
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and improving copper fill areas
7 years ago
bc41b3052d
move WIFI disable jumper closer to BTN1
7 years ago
1ea88bda53
Adding pins to schematic symbols for all chips in unit "H" (SERDES)
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Non-serdes chips need GND connection on unit "H".
"power" sheet now connects GND's at unit "H".
7 years ago
bc4b88ee58
Micro SD: using SCHD3A0100
7 years ago
f3d84dbfdc
LED D19 was oriented wrong, now correct
7 years ago
bab7ee607e
placeholder for 1.5k pullup for usb 1.0
7 years ago
9cc436ce8c
Additional VCC 2.2uF blocking capacitors near the switching
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power supply to form PI-filter with another 2.2uF near BGA
7 years ago
bcf94bafab
buttons footprints correct now
7 years ago
236f63488a
DIP SWITCH routed
7 years ago
2153a220a0
schematic symbol for ADC MAX11123
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small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
8 years ago
81b3ea5da0
adding minimal set of 3 2.2uF capacitor for 1.2V, 2.5V and 3.3V
8 years ago
ee7d266543
Resistors for LEDs
8 years ago
18aef04f2c
JTAG header
8 years ago
23b588ff16
Routing... 4 routes remaining
8 years ago
1f60f95a71
compatible OLED models: SSD1306 or SSD1331
8 years ago
1e5e0b01a6
connecting JTAG lines to FTDI serial lines RI DCD CTS DSR
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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
5e953da6b9
connecting required pins for WiFi programming
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
2cda80c3a8
manually routed few tracks of GPIO
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
ec42a18d26
reordering RAM connections to use peripheral pins near SDRAM chip
8 years ago
d6fd30e59c
jumper to disable wifi module
8 years ago
1c5b8a64a3
use new footprint for crystal oscillator
8 years ago
0af487f23c
renaming clocks
8 years ago
9570c1137b
small edits
8 years ago
c297a5294f
adding 25 MHz oscillator and moving some parts around
8 years ago
a477fbd050
connecting flash config chip
8 years ago
dc1ae11172
partially routed board using "freeroute" autorouter
8 years ago
85cb0b3f93
Placing 40-pin connectors side-by-side,
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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
f7185a0ff7
improving wifi SD and JTAG pinouts.
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Unsure of JTAG (GPIO20 is NC on ESP-32S module?)
8 years ago
f9ba6fa20b
chage ESP8266-12E to ESP32S
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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
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a diode for discharge C at shutdown
HDMI pin 0 is now the shield and connected to GND
8 years ago
222f4805b3
SDRAM add global labels for signals
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
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small rearranging and comments
8 years ago
ddd08e597e
JTAG port to USB sheet
8 years ago
17ba085b6f
audio jack to "analog" sheet
8 years ago
8ed3d57c66
Add wake on RTC and shutdown network
8 years ago
133417070a
add RTC to power sheet
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Moving wifi to separate sheet
8 years ago
e0bdf34cfe
ft2232 corrected package qfn-64 -> qfn-56
8 years ago
24e8015ff0
move usb to "usbserial" sheet and add ft2232 footprint
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move sdram to "ram" sheet
create "wifi" sheet
8 years ago
473b5ff1aa
smaller size capacitors 22uF 2112->0805
8 years ago
c95d2d7b18
GPDI to separate sheet
8 years ago
Emard