| Dobrica Pavlinušić's random unstructured stuff Trilby: Revision 7 https://www.kinetic.co.uk/TrilbyAbout.php KINETIC AVIONICS TRILBY Rev.2.23 2015 componentsfrom schematic Trilby2V23PUBLIC.pdf ADG918https://www.analog.com/en/products/adg918.html Wideband, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT Switches TDA18219HNhttps://www.nxp.com/part/TDA18219HN#/ Silicon tuner for terrestrial and cable digital TV reception LTC2226CUHhttps://eu.mouser.com/ProductDetail/Analog-Devices/LTC2226CUH Analog to Digital Converters - ADC LTC2226 - 12-Bit, 25Msps Low Power 3V ADC LFE5U-85F-BG381
 jumpersJ456, 1-2 IS PI 5V AND 2-3 IS USB 5V 
J451 - JTAG SELECT - REMOVE LINK FOR USB 
J30 - CFG_0 - by default pull up, jumper pulls them down J33 - PROGRAMN - reprogram FPGA J29 
1 3V3 J26 - INSTALL TO ENABLE EEPROM WRITING 
TP18 GND J458 - GPIO from /nuc/rpi/trilby/Trilby_v_1_03_project/impl1/trilby_test_impl1.pad 
 rpi setupenable spi, i2c in raspi-config 
pi@trilby:~/linux-gpio-pinout $ i2cdetect -y 1
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- 44 -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- 68 -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
44 - example i2c device in fpga rtcroot@trilby:/home/pi# echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device root@trilby:/home/pi# [Fri Dec 24 15:02:31 2021] i2c i2c-1: new_device: Instantiated device ds1307 at 0x68 [Fri Dec 24 15:02:31 2021] rtc-ds1307 1-0068: registered as rtc0 [Fri Dec 24 15:02:31 2021] rtc-ds1307 1-0068: setting system clock to 2000-01-01T02:29:49 UTC (946693789) root@trilby:/home/pi# hwclock -r 2021-12-24 15:02:37.028752+00:00 |