77 Commits (9b3494741bbbdd6a700b74154490065fb6677d4b)

Author	SHA1	Message	Date
Emard	e641702054	schematics: start with tape and reel datasheet information ... (currently done only for RTC)	7 years ago
Emard	3915779e0c	schematics: part numbers and URLs of datasheets and manufacturers ... of most chips and connectors. Small parts not done yet.	7 years ago
Emard	020d7bdfa7	schematics: change core voltage 1.2V->1.1V (RB1 changed 15k->18k) ... FPGA Chip in ULX3S is LFE5U-45F-6BG381C and it needs 1.1V. 5G chips like LFE5U5G-45F-6BG381C would need 1.2V	7 years ago
Emard	a5a51a8f28	connected missing SD card pins to esp-32	7 years ago
Emard	cca17d282d	open-close to check that everything loads fine	7 years ago
Emard	35b3a8b3dd	changing to 45F which is production device now ... schem symbol 45F fixed typo T8->T7 (GND) and SERDES	7 years ago
davor	7cebd0afa5	changing DAC resistors 100-820 ohm -> 150-1200 ohm ... few 220 ohm resistors changed to 150 ohm to simplify BOM	7 years ago
davor	8e94190676	power up note and small cosmetics	7 years ago
davor	050a70079a	move one audio-v pin from bank0 to bank7 so ... now all audio jack pins are on bank7	7 years ago
davor	6d74bb29fc	PCB v1.7 fix wrong audio jack connection	7 years ago
Emard	ba4c8e8d22	PCB v1.6 SDRAM fully reworked	7 years ago
davor	220f575442	schematic "power" sheet and footprint cosmetics	7 years ago
davor	1ea88bda53	Adding pins to schematic symbols for all chips in unit "H" (SERDES) ... Non-serdes chips need GND connection on unit "H". "power" sheet now connects GND's at unit "H".	7 years ago
davor	fffde2cf88	Additional GND for 85F chips	7 years ago
davor	e4fc99887e	moving GND and VCC on schematics symbols to ... common locations for planned PCB which supports upgrade path for example 12F->25F->45F->85F and if possible ECP5U->ECP5UM	7 years ago
Emard	07de158d38	R56 for FT231X rev A,B,C workaround from TN140_FT231X Errata	7 years ago
Emard	06a8d751d9	Jumpers (default OFF) for 3 switcher voltages	7 years ago
davor	1cdad1e4d0	all diodes SOD-323 and SOD-323F packages changed to handsoldering ... (bigger pads, more reworkable) silkscreen moving references GPDI1 and SW1 for readability	7 years ago
davor	10df092413	using modified ECP5 footprint	7 years ago
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	8 years ago
davor	2153a220a0	schematic symbol for ADC MAX11123 ... small PCB traces cleanup ADC chip placed on PCB but connected only to GND	8 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