Datasheet

 2015 Microchip Technology Inc. Preliminary DS60001320B-page 93
PIC32MZ Embedded Connectivity with Floating Point Unit (EF) Family
bit 7-4 REGION<3:0>: Requested Region Number bits
1111 - 0000 = Target’s region that reported a permission group violation
bit 3 Unimplemented: Read as ‘0’
bit 2-0 CMD<2:0>: Transaction Command of the Requester bits
111 = Reserved
110 = Reserved
101 = Write (a non-posted write)
100 = Reserved
011 = Read (a locked read caused by a Read-Modify-Write transaction)
010 = Read
001 = Write
000 = Idle
REGISTER 4-3: SBTxELOG1: SYSTEM BUS TARGET ‘x’ ERROR LOG REGISTER 1 
(‘x’ = 0-13) (CONTINUED)
Note: Refer to Table 4-6 for the list of available targets and their descriptions.