HT42B534-1 SOP16 USB to TTL LGT8F328P recommended to use high precision

Description:

 

Multifunction USB converter board 

The history of the most powerful USB serial debugging tools, set USB to serial (TTL), to TTL   practical function in a professional debugging tools, and the other supports 3.3V, 5V Oh the power output. Module ingenious design, making the board at the same time put the heat shrink tubing protection, without affecting the operation of the 

The built-in RC of the main HT has higher precision, and the 12M oscillator reaches 0.25%, so the download success rate is higher under the same conditions, and the download is more stable.