Emard
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3915779e0c
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schematics: part numbers and URLs of datasheets and manufacturers
of most chips and connectors. Small parts not done yet.
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7 years ago |
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Emard
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24632c01ac
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schematics: SD card slot part name
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7 years ago |
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Emard
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2b2420fe37
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schematics: text labels that enumerate differential pairs on 2.54mm connector
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7 years ago |
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Emard
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52814d6ae0
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WIFI LED (blue) on schematics
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7 years ago |
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Emard
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4a35c95132
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GPDI CEC add protection resistor R61 470 ohm
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7 years ago |
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Emard
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a5a51a8f28
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connected missing SD card pins to esp-32
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7 years ago |
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Emard
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cca17d282d
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open-close to check that everything loads fine
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7 years ago |
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Emard
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35b3a8b3dd
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changing to 45F which is production device now
schem symbol 45F fixed typo T8->T7 (GND) and SERDES
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7 years ago |
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davor
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050a70079a
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move one audio-v pin from bank0 to bank7 so
now all audio jack pins are on bank7
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7 years ago |
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davor
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0d71e508ae
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analog: audio ring2 resistor DAC network connected to FPGA
copper infill is getting thin, so minimal-thickness traces
are used 0.127 mm
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7 years ago |
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Emard
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ba4c8e8d22
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PCB v1.6 SDRAM fully reworked
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7 years ago |
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davor
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bc4b88ee58
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Micro SD: using SCHD3A0100
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7 years ago |
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davor
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f3d84dbfdc
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LED D19 was oriented wrong, now correct
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7 years ago |
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Emard
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bab7ee607e
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placeholder for 1.5k pullup for usb 1.0
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7 years ago |
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Emard
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9cc436ce8c
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Additional VCC 2.2uF blocking capacitors near the switching
power supply to form PI-filter with another 2.2uF near BGA
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7 years ago |
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davor
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0229a768ad
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FPGA direct-to-pin Hackish USB transciver 27 ohm + 3.6 V zener
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7 years ago |
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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 |
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davor
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5f589c33f4
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USB directly to FPGA for possible USB1.1 core
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8 years ago |
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davor
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236f63488a
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DIP SWITCH routed
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8 years ago |
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davor
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32836831ae
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i2c of RTC connected to GPDI i2c
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8 years ago |
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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 |
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davor
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81b3ea5da0
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adding minimal set of 3 2.2uF capacitor for 1.2V, 2.5V and 3.3V
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8 years ago |
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Emard
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ee7d266543
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Resistors for LEDs
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8 years ago |
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Emard
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18aef04f2c
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JTAG header
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8 years ago |
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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 |
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davor
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1a122bfc67
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fully routed
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8 years ago |
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davor
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dbf4b92a22
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audio DAC routed
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8 years ago |
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davor
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23b588ff16
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Routing... 4 routes remaining
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8 years ago |
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Emard
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28c4106026
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J2 GPIO: routed in the purple plane only
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8 years ago |
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Emard
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4c13f262e8
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connecting FTDI TXD/RXD
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8 years ago |
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Emard
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092e601af1
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connecting LEDs
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8 years ago |
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Emard
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364957f9e0
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connecting OLED
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8 years ago |
|
Emard
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feb31c8f87
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moving inner layer routes away from BGA
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8 years ago |
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Emard
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e30bbeea40
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routing 4 GPIO on J2
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8 years ago |
|
Emard
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48dc148919
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manually routing J1 differential
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8 years ago |
|
Davor
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3446afcc08
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optimizing PCB component placement
and audio bit ordering
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8 years ago |
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Davor
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19b884baef
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using corrected schem symbol, reordering pins
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8 years ago |
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Davor
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39dce76f0a
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use new schem symbol
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8 years ago |
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Davor
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2cda80c3a8
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manually routed few tracks of GPIO
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8 years ago |
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davor
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70fb21781b
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reorder GPDI differential pairs for almost straitforward routing
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8 years ago |
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davor
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a8f1214b27
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reorder SDRAM to FPGA connection for straightforward routing
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8 years ago |
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Davor
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aef3945a8e
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differential pin naming for GPDI, USB, GPIO
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8 years ago |
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Davor
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ec42a18d26
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reordering RAM connections to use peripheral pins near SDRAM chip
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8 years ago |
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davor
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d6fd30e59c
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jumper to disable wifi module
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8 years ago |
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davor
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9570c1137b
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small edits
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8 years ago |
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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 |
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Davor
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a477fbd050
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connecting flash config chip
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8 years ago |
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davor
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dc1ae11172
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partially routed board using "freeroute" autorouter
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8 years ago |
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davor
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85cb0b3f93
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Placing 40-pin connectors side-by-side,
changing ft2232 to ft231x
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8 years ago |
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davor
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a7de1a4e58
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power button
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8 years ago |
