Description
USB HUB based on FE2.1 interface with serial port
FE 2.1
This chip is a USB hub chip with low power consumption and low cost solution of USB 2.0.
The LQFP48 package is used here, and only 5 USB and 4 USB-A are used.
Female socket and a port as a USB to serial port.
CH340C
Compared with CH340G, CH340C can save external crystal oscillator and reduce the area of the board.
AT24C32
External eeprom for FE 2.1
Schematic and Layout
https://drive.google.com/file/d/1ZXv_qnqmWUEGTV7eT6fF6etbvEksssMT/view?usp=sharing
Nov 24,2020
6,004 views
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USB HUB based on FE2.1 interface with serial port
This chip is a USB hub chip with low power consumption and low cost solution of USB 2.0.
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Published: Nov 24,2020
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