Datasheet

153
SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
19.5.1 Bus Matrix Master Configuration Registers
Name: MATRIX_MCFG0...MATRIX_MCFG8
Address: 0xFFFFEC00
Access: Read/Write
• ULBT: Undefined Length Burst Type
0: Infinite Length Burst
No predicted end of burst is generated and therefore INCR bursts coming from this master cannot be broken.
1: Single Access
The undefined length burst is treated as a succession of single accesses, allowing rearbitration at each beat of the INCR
burst.
2: Four-beat Burst
The undefined length burst is split into four-beat burst allowing rearbitration at each four-beat burst end.
3: Eight-beat Burst
The undefined length burst is split into eight-beat burst allowing rearbitration at each eight-beat burst end.
4: Sixteen-beat Burst
The undefined length burst is split into sixteen-beat burst allowing rearbitration at each sixteen-beat burst end.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
––––––––
76543210
––––– ULBT