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Every CC2540/41 device comes pre-programmed with a unique 48-bit IEEE address. This is referred to as the device’s “primary address”, and cannot be changed. It is also possible to set a “secondary address” on a device, which will override the primary address upon power-up. Flash Programmer can be used to read the primary address, as well as to read or write the secondary address. To read the primary address of a device connected to the CC Debugger, select “Primary” under the “Location” option, and click the “Read IEEE” button. The primary device address should appear in the box on the right as shown in Figure 48.
To read the secondary address, select “Secondary” under the “Location” option, and click the “Read IEEE” button. The secondary device address should appear in the box on the right. To set a new secondary address, select “Secondary” under the “Location” option, and enter the desired address in the box on the right. Click the “Write IEEE” button to perform the write. If the secondary device is set to “FF FF FF FF FF FF”, the device will use the primary address. If the secondary device is set to anything else, the secondary address will be used.
