USB to UART bridge - http://www.holtek.com/productdetail/-/vg/42B534-x
Operating Voltage (VDD): 3.3V~5.5V
Fully integrated internal 12MHz oscillator with 0.25% accuracy for all USB modes which requires no external components
USB interface
- USB 2.0 Full Speed compatible
- Implements USB protocol composite device:
-- Communication Device Class (CDC) for communications and configuration
-- Human Interface Device (HID) for user configure USB VID, PID and device description strings
- Internal 1.5kΩ pull-high resistor on D+ pin
Supports standard Windows® drivers for Virtual Com Port (VCP): Windows XP (SP2), Vista, Widows 7 & Windows 8 (only an INF file is required), Windows 10
Похоже, тоже новые, даташит Rev 1.00 - декабрь 2016, на али ещё нет, на lcsc.com - $0.3
Ха, ошибся я насчёт али - чипов в продаже нет, а изделия уже есть )
https://www.aliexpress.com/item/TTGO-XI … 48196.html
Отредактировано vt (2018-09-18 19:51:44)
