User's Manual

Bluetooth Low Energy Module
Shanghai Ehong Technologies Co., Ltd
6.6. USB interface
USB interface compatible with USB 2.0 full speed mode, support 9 endpoints, support
ISP (In-system programming) Via USB port.
6.7. I2C Master
The module can act as an I2C master when configured by software. The module PIN27
and PIN28 two PIOs can be configured as I2C_SCL and I2C_SDA.
.
6.8. SPI Debug
The module support single wire interface SWM(single wire master) and SWS(single
wire slave) represent the master and slave device of the single wire communication
system developed by Ehong. The maximum data rate can be up to 2Mbps.