Emard
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07de158d38
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R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata
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7 years ago |
davor
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10df092413
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using modified ECP5 footprint
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7 years ago |
Emard
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91ac1cc478
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D8,D9,D51,D52: SMA package 2A low drop low profile
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7 years ago |
davor
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fdf38ad9a1
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DIP switch moved to the right, near RAM.
Maybe should be moved more to the right not to overlap with OLED
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7 years ago |
davor
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236f63488a
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DIP SWITCH routed
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8 years ago |
davor
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32836831ae
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i2c of RTC connected to GPDI i2c
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8 years ago |
davor
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2153a220a0
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schematic symbol for ADC MAX11123
small PCB traces cleanup
ADC chip placed on PCB but connected only to GND
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8 years ago |
Emard
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be09416928
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Add 27 ohm resistors in series with FTDI USB and readme update
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8 years ago |
Emard
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ee7d266543
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Resistors for LEDs
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8 years ago |
davor
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b7500cc477
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increasing thickness of power traces, moving clock
to a bank which is always at 3.3V
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8 years ago |
davor
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2a60828a99
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schem. pullup 1.5k for USB 1.1 full speed mode
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8 years ago |
davor
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dbf4b92a22
|
audio DAC routed
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8 years ago |
davor
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23b588ff16
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Routing... 4 routes remaining
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8 years ago |
davor
|
0f9d00f602
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Buffer capacitor for SDRAM
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8 years ago |
Emard
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752eddee0e
|
J1 routed using only purple plane, (yellow plane made free)
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8 years ago |
Emard
|
092e601af1
|
connecting LEDs
|
8 years ago |
Emard
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e30bbeea40
|
routing 4 GPIO on J2
|
8 years ago |
Emard
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48dc148919
|
manually routing J1 differential
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8 years ago |
Davor
|
3446afcc08
|
optimizing PCB component placement
and audio bit ordering
|
8 years ago |
Davor
|
19b884baef
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using corrected schem symbol, reordering pins
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8 years ago |
Davor
|
39dce76f0a
|
use new schem symbol
|
8 years ago |
Davor
|
2cda80c3a8
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manually routed few tracks of GPIO
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8 years ago |
davor
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70fb21781b
|
reorder GPDI differential pairs for almost straitforward routing
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8 years ago |
Davor
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aef3945a8e
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differential pin naming for GPDI, USB, GPIO
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8 years ago |
davor
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c297a5294f
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adding 25 MHz oscillator and moving some parts around
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8 years ago |
Davor
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12e89e677a
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connecting wifi, usbserial, oled, sd card
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8 years ago |
Davor
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a477fbd050
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connecting flash config chip
|
8 years ago |
davor
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dc1ae11172
|
partially routed board using "freeroute" autorouter
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8 years ago |
davor
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85cb0b3f93
|
Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
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8 years ago |
davor
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a7de1a4e58
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power button
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8 years ago |
davor
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a60712b2f6
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place renumbered schematic units of the fpga chip
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8 years ago |
davor
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e2899667ef
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place all available banks to gpio page
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8 years ago |
davor
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c3889467a0
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rename gpio pins same as BGA pin e.g. A9, C11, ...
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8 years ago |
davor
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4f3fabdb5f
|
oled updated on the schematic and PCB
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8 years ago |
davor
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6639abded3
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add 4 mounting holes
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8 years ago |
davor
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b661cacede
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Change to 2x20 pin headers, PCB layout currently sub-optimal
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8 years ago |
davor
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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
|
5d4ce79295
|
connecting BANK2 to PMOD connectors
|
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
|
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
|
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
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c95d2d7b18
|
GPDI to separate sheet
|
8 years ago |