SVC number ranges

Application programs and SoftDevices use certain Supervisor Call (SVC) numbers.

The table below shows which SVC numbers an application program can use and which numbers are used by the SoftDevice.

Note: The SVC number allocation does not change with the state of the SoftDevice (enabled or disabled).

Table 1. SVC number allocation
SVC number allocation	SoftDevice enabled	SoftDevice disabled
Application	0x00-0x0F	0x00-0x0F
SoftDevice	0x10-0xFF	0x10-0xFF