Manual

331
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
0: AHB Bus Locking capability is disabled.
1: AHB Bus Locking capability is enabled.
•LOCK_IF_L
0: The Master Interface Arbiter is locked by the channel x for a chunk transfer.
1: The Master Interface Arbiter is locked by the channel x for a buffer transfer.
• AHB_PROT
AHB_PROT field provides additional information about a bus access and is primarily used to implement some level of
protection.
HPROT[3] HPROT[2] HPROT[1] HPROT[0] Description
1 Data access
AHB_PROT[0]
0: User Access
1: Privileged Access
AHB_PROT[1]
0: Not Bufferable
1: Bufferable
AHB_PROT[2]
0: Not cacheable
1: Cacheable