WCH BLE2U Manual
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BLE2U 1 http://wch.cnBLE/UART/USB Transceiver Module BLE2UManualVersion: 1Chttp://wch.cn1. OverviewThe BLE/UART/USB transceiver module (BLE2U) is developed based on CH9143 to implement datatransmission between BLE, USB interface and UART. The BLE supports master mode, slave mode andmaster-slave mode. BLE communication and parameters can be configured in slave mode and master-slavemode, and BLE4.2 is supported. The UART supports AT command configuration and MODEM signals. Thebaud rate can be up to 1Mbps. It can implement online debug or data monitor between computer USBinterface, serial port and Bluetooth at the same time.USB and BLE virtual serial port technology. A virtual serial port driver is provided on the computer,shielding the underlying technical details of BLE and USB, with no secondary development required. It iscompatible with common serial port applications and serial debug tools, easy to implement transmissionbetween 3 "serial ports".BLE2U product selection:Part No. Apperance FeaturesBLE2U-A-ANTBLE2U-AOnboard antennaSmall sizeBuilt-in 32M crystal.BLE2U-C-ANTBLE2U-COnboard antennaAll functional pinsBuilt-in 32M and 32K crystals.Some application block diagrams of CH9143:Figure 1 Block diagram of serial communication between CH9143 USB and BLE slave or UART device |
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