Dobrica Pavlinušić's random unstructured stuff

Trilby: Revision 7

https://www.kinetic.co.uk/TrilbyAbout.php

KINETIC AVIONICS

TRILBY Rev.2.23 2015

{toc: }

^ components

from schematic {file: Trilby2V23PUBLIC.pdf}

^^ ADG918

https://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

^^ TDA18219HN

https://www.nxp.com/part/TDA18219HN#/

Silicon tuner for terrestrial and cable digital TV reception

^^ LTC2226CUH

https://eu.mouser.com/ProductDetail/Analog-Devices/LTC2226CUH

Analog to Digital Converters - ADC LTC2226 - 12-Bit, 25Msps Low Power 3V ADC

^^ LFE5U-85F-BG381

* 45F on my board

^ jumpers

J456, 1-2 IS PI 5V AND 2-3 IS USB 5V

J451 - JTAG SELECT - REMOVE LINK FOR USB
J450 - JTAG SELECT - REMOVE LINK WHEN USING LATTICE CABLE

J30 - CFG_0 - by default pull up, jumper pulls them down
J31 - CFG_1
J32 - CFG_2

J33 - PROGRAMN - reprogram FPGA

J29

1 3V3
2 TDI
3 TMS
4 TCK
5 TDO
6 GND

J26 - INSTALL TO ENABLE EEPROM WRITING

TP18 GND
TP19 GND

J458 - GPIO

from /nuc/rpi/trilby/Trilby_v_1_03_project/impl1/trilby_test_impl1.pad

| 2 | 5V | 1 | 5V |
| 4 | H18 | 3 | E12 |
| 6 | H17 | 5 | A12 |
| 8 | J17 | 7 | A13 |
| 10 | J16 | 9 | B13 |
| 12 | E19 | 11 | C13 |
| 14 | E20 | 13 | D13 |
| 16 | F19 | 15 | E13 |
| 18 | F20 | 17 | A14 |
| 20 | GND | 19 | C14 |
| 22 | RESET | 21 | D14 |
| 24 | GND | 23 | GND |

^ rpi setup

enable spi, i2c in raspi-config

.pre
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: -- -- -- -- -- -- -- --
.pre

44 - example i2c device in fpga
68 - rtc

^^ rtc

.pre
root@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

.pre