12.5 System Option 2

The system option 2 value, combines several configuration parameters into one byte, using each bit to represent different parameter options (see the following table). When a programmer is modifying any bit field within this byte-wide memory location, the programmer must perform a read-modify-write type of operation. This prevents accidentally altering bit field values that were not the intended target bit, causing unwanted device behavior changes.

Table 12-11. System Option 2 Parameter Table
ParameterValueParameter DescriptionLength
0x2B0xXX
  • Bit[7] – Reserved, must be set as zero
  • Bit[6] – Peer Device Trust
  • Bit[5:3] – Reserved, must be set as zero
  • Bit [2] – Operation Mode
  • Bit[1] – LE Secure Connections Mode
  • Bit[0] – Passkey Confirmation
1 byte