Design Information Service

Returns design information including 256-bit user defined design ID, 16-bit design version, and 16-bit design back-level protection value.

Table 1. Design Information Service Request
System Service Descriptor Bit Field	Value	Description
15:7	MBOXADDR[10:2]	Mailbox address. See Table 2.
6:0	02H	Design Information service command

The following table lists the Design Information Service mailbox format.

Table 2. Design Information Service Mailbox Format
Offset	Length (bytes)	Parameter	Direction	Description
0	32	DESIGNID	Output	256-bit user-defined design ID
32	2	DESIGNVER	Output	16-bit design version
34	2	BACKLEVEL	Output	16-bit design back-level