11.3.1 Bus Initiator Priority

The bus initiators are assigned a priority. If multiple initiators address the same target simultaneously, the initiator with the highest priority wins the arbitration. The priority is as follows:

Table 11-1. Bus Initiator Priority
Initiator/Target	Priority
CPU Load/Store	1 (highest)
CPU Instruction Fetch	2
UPDI	3
CRC Scan	4 (lowest)

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