With a central control chip, the common chip models are 2303, 2101, 3116, and it will recognize the line without plugging in a mobile phone. Since the price of an IC is more than 10 yuan, the price is more expensive than that without an IC. The working principle of the data cable with chip is USB to COM, which converts the USB interface into a serial port and displays it on the computer.
Typical models: Samsung E638 series, D418 series; NEC N610 series; Siemens 25 series, 55 series; Sony Ericsson mobile phone data cable; Panasonic mobile phone data cable; Lenovo mobile phone data cable and so on.
