AN4128

Getting started

Doc ID 023306 Rev 1

11/28

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Step 4:

COM port has been assigned to the STEVAL-SPBT4ATV3 Bluetooth serial device. The

STEVAL-SPBT4ATV3 is usually assigned the same virtual COM port each time it is inserted

(unless there are other virtual COM devices altering port assignments).

Two device drivers for the STEVAL-SPBT4ATV3 Bluetooth device should be seen here.

Figure 13.

Windows device manager

The CP2102 chip provides the function of using standard UART serial communications from

the computer via the universal serial bus, and interfaces directly to the Bluetooth module

inside the STEVAL-SPBT4ATV3 Bluetooth serial adapter. If USB driver wizard installation

fails, follow Appendix A: USB driver installation installation procedure.

6.2

Setup and connect

The purpose of this section is to describe all the necessary steps to establish a connection

between two Bluetooth STEVAL-SPBT4ATV3 dongles realizing a serial line/cable

replacement application.

Two PCs and two STEVAL-SPBT4ATV3 boards are needed to perform the connection.