Description
USB3.0 hub based on GL3520
GL3520 is a 4-port, low-power and configurable hub controller, compatible with USB 3.0 specifications.
Onboard 4-channel USB3.0 standard interface,
1 USB3.1typec data input interface,
1 USBtypec6pin external power input,
Switch power supply through power path management,
All 4 USB outputs have independent power switches and self-recovery insurance.
The USB power output is disabled when it is powered on for the first time, and only the button is turned on. It avoids the storage unit error caused by frequent power on and off of the storage device due to poor contact and other problems.
Code
https://drive.google.com/drive/folders/17_GgItC1wgknRsWlZoN-U1V-3ezs4R11?usp=sharing
Schematic and Layout
https://drive.google.com/file/d/1kMCHQ2PkbzsnYZ0Ml5UONwml5qt4fgCa/view?usp=sharing
Oct 12,2020
7,633 views
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USB3.0 hub based on GL3520
GL3520 is a 4-port, low-power and configurable hub controller, compatible with USB 3.0 specifications.
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Published: Oct 12,2020
Under the
Attribution-ShareAlike (CC BY-SA)
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Здравствуйте. Даташиты ,прошивка и софт находятся на гугл диске ,кнопка (Source Code) будет доступно после модерации в понедельник.
О, спасибо огромное!!!
Здравствуйте. Прошу прощения за назойливость. То ли лыжи не едут, то ли я деревянный по пояс... Подскажите, пожалуйста, как прошить пустую микросхему. Думал, пользуетесь каким-то особым софтом. Нет, утилиты те же. Прошивка только другая. Должен ли хаб определяться при подключении к юсб?
Драйвер ставил, комп перезагружал. Впаиваю б/у-шную микросхему - работает и без флешки и с ней. С новой микросхемой не определяется ни с прошитой флешкой, ни с пустой, ни без нее. Подозреваю, что нужно зашить идентификаторы, но как не знаю. Hub update tool не видит. Конфигуратор тоже.
Максимум чего добился - это сообщение "Selective suspend deactivation failed". Временное отключение USB и разрешал и запрещал. (Компьютер десктоп. Стоял профиль максимальная производительность) Менял режимы энергосбережения. Результат тот же. С уважением, Сергей.
Извините за кучу комментов - не пропускает большие сообщения...
Возможно кому-то поможет. Пришла другая партия микросхем. Взлетело сразу.
Добрый день. Подскажите пожалуйста, в итоге без прошивки хаб определился? У меня такая же проблема как у вас, компьютер не видит хаб.