Advertisement
BLE2U
Figure 2 Block diagram of serial communication between BLE host and USB host or UART device through
Figure 3 Block diagram of serial communication between USB hosts through CH9143 in BLE master-slave
2. Features
● Data transmission between BLE, USB, and UART.
● BLE supports slave mode, master mode and master-slave mode.
● Provides PC-side USB and BLE virtual serial port driver.
● Compatible with existing serial port software and tools, with no secondary development required.
● Supports BLE host connection in Windows/Linux/Android/iOS and other systems.
● 2 serial port driver modes: Vendor driver mode and installation-free USB-CDC driver mode.
●100m BLE transmission distance.
● Adjustable 8 positions of BLE TX power.
● Supports 3.3V and 2.5V operating voltages.
● Supports BLE transmission configuration and serial AT command configuration.
● Asynchronous serial port default baud rate is 115200bps.
● Serial port supports MODEM signals: RTS, DTR, DCD, RI, DSR and CTS.
● Serial port supports 5/6/7/8 data bits and 1/2 stop bits.
● Serial port supports odd, even, no parity, space 0 and mark 1.
● Full-speed USB device interface, compatible with USB V2.0.
2
CH9143
mode
http://wch.cn
Advertisement
