The TI CC254x Bluetooth Low Energy Software Developer’s Guide has the relevant information you are looking for.
http://www.iar.com/en/Products/IAR-Embedded-Workbench/8051/
The TI CC254x Bluetooth Low Energy Software Developer’s Guide has the relevant information you are looking for.
http://www.iar.com/en/Products/IAR-Embedded-Workbench/8051/